PAWL n.
A pivoted tongue, or sliding bolt, on one part of a machine, adapted to fall into notches, or interdental spaces, on another part, as a ratchet wheel, in such a manner as to permit motion in one direction and prevent it in the reverse, as in a windlass; a catch, click, or detent. See Illust. of Ratchet Wheel. [Written…
PILE n.
(by animal or steam power, the explosion of gunpowder, etc.) a heavy mass of iron, which falls upon the pile. -- Pile dwelling. See Lake dwelling, under Lake. -- Pile plank (Hydraul. Eng.), a thick plank used as a pile in sheet piling. See Sheet piling, under Piling. -- Pneumatic pile. See under Pneumatic. -- Scre…