That which locks or unlocks a movement; a catch (stopping mechanism), pawl, or dog; especially, in clockwork, the catch which locks and unlocks the wheelwork in striking.
The action of creating a detent mechanism to lock or unlock movement.
A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.
A similar device to prevent motion in other mechanisms besides ratchets.
To stop with a pawl.