n.[机]棘爪，制转杆vt.用制转杆使停转

英文释义

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.

v. t. To stop with a pawl; to drop the pawls off.