PILOT n.
hese islands. Crabb. (b) The black-bellied plover. [Local, U.S.] -- Pilot boat, a strong, fast-sailing boat used to carry and receive pilots as they board and leave vessels. -- Pilot bread, ship biscuit. -- Pilot cloth, a coarse, stout kind of cloth for overcoats. -- Pilot engine, a locomotive going in advance of a…
PISTON n.
d; also for other purposes. Piston head (Steam Eng.), that part of a piston which is made fast to the piston rod. -- Piston rod, a rod by which a piston is moved, or by which it communicates motion. -- Piston valve (Steam Eng.), a slide valve, consisting of a piston, or connected pistons, working in a cylindrical cas…