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The Collaborative International Dictionary
Pawl bitt

Pawl \Pawl\, n. [W. pawl a pole, a stake. Cf. Pole a stake.] (Mach.) 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 also paul, or pall.]

Pawl bitt (Naut.), a heavy timber, set abaft the windlass, to receive the strain of the pawls.

Pawl rim or Pawl ring (Naut.), a stationary metallic ring surrounding the base of a capstan, having notches for the pawls to catch in.