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A long pole or spar, run out for the purpose of extending the bottom of a particular sail; as, the jib boom, the studding-sail boom, etc.

The act or process of daubing a vessel's bottom near the surface of the water with a mixture of tallow, sulphur, and resin, as a temporary protection against worms, after the slime, shells, etc., have been scraped off.

Ropes passing through pulleys, and used to haul in or up the leeches, bottoms, or corners of sails, preparatory to furling.

To clean, as a ship's bottom of adherent shells, seaweed, etc., by the application of fire and scraping.

ong iron or steel plug screwed into the breech of a musket or other firearm, to close the bottom of the bore.

changing the water in the boilers, so as to clear them of the brine which collects at the bottom. -- Brine shrimp, Brine worm (Zoöl.), a phyllopod crustacean of the genus Artemia, inhabiting the strong brines of salt works and natural salt lakes. See Artemia. -- Brine spring, a spring of salt water. -- Leach brine (…

ack beneath the ribs; also applied to the fore part of a horse, from the shoulders to the bottom of the chest.

A lathe tool for turning down the insides and bottoms of cylinders. Knight.

, or form, the edge of. [R.] Tending my flocks hard by i' the hilly crofts That brow this bottom glade. Milton.

See Bottomery. [Obs.] There was a scivener of Wapping brought to hearing for relief against a bummery bond. R. North.

A float; esp. a floating object moored to the bottom, to mark a channel or to point out the position of something beneath the water, as an anchor, shoal, rock, etc. Anchor buoy, a buoy attached to, or marking the position of, an anchor. -- Bell buoy, a large buoy on which a bell is mounted, to be rung by the motion of…

ht tube, four or five inches in length, having small holes for the entrance of air at the bottom. Illuminating gas being also admitted at the bottom, a mixture of gas and air is formed which burns at the top with a feebly luminous but intensely hot flame. -- Argand burner, Rose burner, etc. See under Argand, Rose, etc…

The knot at the bottom of an antler. See Bur, n., 8.

ings or soffits. Pneumatic caisson (Engin.), a caisson, closed at the top but open at the bottom, and resting upon the ground under water. The pressure of air forced into the caisson keeps the water out. Men and materials are admitted to the interior through an air lock. See Lock.

A blank paper, with a person's signature, etc., at the bottom, given to another person, with permission to superscribe what conditions he pleases. Hence: Unconditional terms; unlimited authority.

The first word of any page of a book after the first, inserted at the right hand bottom corner of the preceding page for the assistance of the reader. It is seldom used in modern printing.

To overlay or coat with cement; as, to cement a cellar bottom.

One of the fine lines of a letter, esp. one of the fine cross strokes at the top and bottom of letters. [Spelt also seriph.] Savage.

oke in a steam engine, or the least distance between the point of a cogwell tooth and the bottom of a space between teeth of a wheel with which it engages. Clearance space (Steam engine), the space inclosed in one end of the cylinder, between the valve or valves and the piston, at the beginning of a stroke; waste room.…

ght inclosure, as of piles packed with clay, from which the water is pumped to expose the bottom (of a river, etc.) and permit the laying of foundations, building of piers, etc.