BOATSWAIN-BIRD. _Phaethon aethereus_, a tropical bird, so called from its sort of whistle. It is distinguished by two long feathers in the tail, called the marling-spike.
BOATSWAIN-CAPTAIN. An epithet given by certain popinjays in the service to such of their betters as fully understand the various duties of their station.
BOATSWAIN'S MATE. Is an assistant to the boatswain, who had the peculiar command of the long-boat. He summons the watch or crew by his whistle, and during his watch looks to the decks, and has peculiar calls for "grog," "'bout ship," "pipe to breakfast," "sweepers," &c.
BOATSWAIN'S STORE-ROOM. Built expressly for boatswain's stores, on a platform or light deck.
BOATSWAIN'S YEOMAN. _See_ YEOMAN.
BOAT THE ANCHOR. Place the anchor in-board in the boat.
BOAT THE OARS. Put them in their proper places fore and aft on the thwarts ready for use.
BOB. A knot of worms on a string, used in fishing for eels; also colloquially, it means a berth.--_Shift your bob_, to move about, to dodge, to fish.--_Bear a bob_, make haste, be brisk.
BOB. The ball or balance-weight of a clock's pendulum; the weight attached to the plumb-line.
BOBBERY. A disturbance, row, or squabble; a term much used in the East Indies and China.
BOBBING. A particular method of fishing for eels--
"His hook he bated with a dragon's tail, And sat upon a rock, and bobb'd for whale."
BOBBING ABOUT. Heaving and setting without making any way.
BOBBLE. The state of waves when dashing about without any regular set or direction, as in cross tides or currents.
BOBSTAY-COLLARS. These are made with large rope, and an eye spliced in each end; they are secured round the bowsprit, on the upper side, with a rose lashing. They are almost entirely superseded by iron bands.
BOBSTAY-HOLES. Those cut through the fore-part of the knee of the head, between the cheeks, for the admission of the bobstay; they are not much used now, as chain bobstays are almost universal, which are secured to plates by shackles.
BOBSTAY-PLATES. Iron plates by which the lower end of the bobstay is attached to the stem.
BOBSTAYS. Ropes or chains used to confine the bowsprit downward to the stem or cut-water. They are fitted in various ways. Their use is to counteract the strain of the foremast-stays, which draw it upwards. The bowsprit is also fortified by shrouds from the bows on each side, which are all very necessary, as the fore-mast and the upper spars on the main-mast are stayed and greatly supported by the bowsprit.
BOCCA. [Sp. _boca_, mouth.] Is a term used both in the Levant, and on the north coast of South America, or the Spanish Main, for a mouth or channel into any port or harbour, or the entrance into a sound which has a passage out by a contrary way.--_Bocca Tigris_, Canton River.
BODIES. The figure of a ship, abstractedly considered, is divided into different parts or figures, each of which has the appellation body, as fore-body, midship-body, square-body, &c.
BODKIN. A dirk or dagger, a word still in use, though Johnson says it is the oldest acceptation of it. It is the _bodekin_ of Chaucer; and Shakspeare makes Hamlet ask who would bear the ills of life,
"When he himself might his quietus make With a bare bodkin?"
BODY. The principal corps of an army, or the main strength of a fleet.
BODY, OF A PLACE. In fortification, the space inclosed by the enceinte, or line of bastions and curtains.
BODY-HOOPS. Those which secure the aris pieces of a made mast.
BODY-PLAN. The draught of a proposed ship, showing the breadth and timbers; it is a section supposed to cut the vessel through the broadest part; it is otherwise called the plan of projection.
BODY-POST. An additional stern-post introduced at the fore-part of an aperture cut in the dead-wood in a ship fitted with a screw-propeller.
BOG. A marsh, or a tract of land, which from its form and impermeable bottom retains stagnant water. (_See_ QUAGMIRE.)
BOG-BLUTER. A northern name for the bittern, from its habit of thrusting its bill into marshy places.
BOG-TROTTER. Any one who lives among marshy moors, but generally applied to the Emeralders.
BOGUE, TO. To drop off from the wind. To edge away to leeward with the wind; not holding a good wind, and driving very much to leeward. Used only to clumsy inferior craft.
BOGUE. Mouth of a river; hence disembogue. Bogue forts, China.
BOHEMIAN. A conceited dawdler in his duties. Shakspeare ridicules Simple as a Bohemian Tartar; both of which terms were applied to gipsies.
BOILER. Of a steam-engine, made of wrought iron, or copper-plates, which being partly filled with water, and having fire applied to the outside, generates steam to supply the engine.
BOILERS. Termed coppers; the ship's cooking utensils, of iron or copper.
BOILING. The "whole boiling" means the entire quantity, or whole party; applied to number or quantity. A contemptuous epithet.
BOLD-BOW. A broad bluff bow.
BOLDERING WEATHER. Cloudy and thundery.
BOLD-SHORE. A steep coast where the water, deepening rapidly, admits the near approach of shipping without the danger of grounding.
BOLD-TO. Applied to land; the same as steep-to.
BOLE. A small boat.
BOLIDE. A name for aerolite (which see).
BOLINE. _See_ BOWLINE. _Clavus in navi._
BOLLAN. The Manx or Gaelic term for the fish old-wife.
BOLLARD. A thick piece of wood on the head of a whale-boat, round which the harpooner gives the line a turn, in order to veer it steadily, and check the animal's velocity. Also a strong timber fixed vertically into the ground, part being left above it, on which to fasten ropes. Also a lighter sort of dolphin for attaching vessels to. Wharves have bollards to which vessels are secured when alongside.
BOLLARD-TIMBERS. Two pieces of oak, usually called knight-heads (which see).
BOLLING OR BOWLING AWAY. Going with a free wind.
BOLME. An old term for a waterman's pole or boom.
BOLOTO. A small boat of the Philippines and Moluccas.
BOLSTERS. Small cushions or bags of tarred canvas, used to preserve the stays from being chafed by the motion of the masts, when the ship pitches at sea. Pieces of soft wood covered with canvas, placed on the trestle-trees, for the eyes of the rigging to rest upon, and prevent a sharp nip. Also pieces of oak timber fayed to the curvature of the bow, under the hawse-holes, and down upon the upper cheek, to prevent the cable from rubbing against the cheeks.--_Bolsters_ for sheets, tacks, &c., are small pieces of fir or oak, fayed under the gunwale, or other part, with the outer surface rounded to prevent chafing.--_Bolsters_, for the anchor lining. Solid pieces of oak bolted to the ship's side at the fore part of the fore-chains on which the stanchions are fixed that receive the anchor lining.
BOLT. A cylindrical pin of iron or copper to unite the different parts of a vessel, varied in form according to the places where they are required. In ship-building square ones are used in frame-fastening; the heads of all bolts are round, saucer, or collared.--_Bolt of the irons_, which runs through three pairs of shackles.--_Drift_ or _drive-bolts_ are used to drive out others.--_Bay-bolts_, have jags or barbs on each side, to keep them from flying out of their holes.--_Clench-bolts_ are clenched with rivetting hammers.--_Fend_ or _fender bolts_, made with long and thick heads, and struck into the outermost bends of the ship, to save her sides from bruises.--_Forelock-bolts_ have at the end a forelock of iron driven in, to keep them from starting back.--_Set-bolts_ are used for forcing the planks, and bringing them close together.--_Ring-bolts_ are used for the bringing to of the planks, and those parts whereto are fastened the breeches and tackle of the guns.--_Scarp-bolts_ and _keel-bolts_, pointed, not clinched, used for false keel or temporary purposes.--_Bringing-to bolts_, fitted with an eye at one end, and a nut and screw at the other, for bringing to the ends at the stem, &c.--_To bolt_, to start off, to run away.
BOLT-BOAT. An old term for a boat which makes good weather in a rough sea.
BOLTING TIMBERS. Those on each side of the stem, continued up for the security of the bowsprit. (_See_ KNIGHT-HEADS.)
BOLT OF CANVAS. The piece or roll of 39 yards in which it is supplied, but which usually measure about 40 yards in length; it is generally from 22 to 30 inches wide.
BOLT-ROPE. A rope sewed all round the edge of the sail, to prevent the canvas from tearing. The bottom part of it is called the foot-rope, the sides leech-ropes, and if the sail be oblong or square the upper part is called the head-rope; the stay or weather rope of fore-and-aft sails is termed the luff.
BOLTROPE-NEEDLE. A strong needle for stitching the sail to the bolt-ropes.
BOLT-SPRIT. _See_ BOWSPRIT.
BOLT-STRAKE. Certain strakes of plank which the beam fastenings pass through.
BOLT-TOE. The cock of a gun-lock.
BOMB [formerly _bomber_, from _bomba_]. The mortar of bomb-vessels.
BOMB OR MORTAR VESSELS. Small ships fortified for throwing bombs into a fortress; said to be the invention of M. Reyneau, and to have been first used at the bombardment of Algiers in 1682. Until then it had been judged impracticable to bombard a place from the sea.