BOAT n.
e of propulsion; as, pilot boat, packet boat, passage boat, advice boat, etc. The term is sometimes applied to steam vessels, even of the largest class; as, the Cunard boats.
BOBBIN n.
spool or reel of various material and construction, with a head at one or both ends, and sometimes with a hole bored through its length by which it may be placed on a spindle or pivot. It is used to hold yarn or thread, as in spinning or warping machines, looms, sewing machines, etc.
BODY n.
operative part. -- Body louse (Zoöl.), a species of louse (Pediculus vestimenti), which sometimes infests the human body and clothes. See Grayback. -- Body plan (Shipbuilding), an end elevation, showing the conbour of the sides of a ship at certain points of her length. -- Body politic, the collective body of a nat…
BONE n.
ack. -- Bone cave, a cave in which are found bones of extinct or recent animals, mingled sometimes with the works and bones of man. Am. Cyc. -- Bone dust, ground or pulverized bones, used as a fertilizer. -- Bone earth (Chem.), the earthy residuum after the calcination of bone, consisting chiefly of phosphate of cal…