Any clock that uses a pendulum to regulate its movement

(informal) A telephone service where a pre-recorded message gives the correct time.

An assemblage of flowers which open and close at different hours of the day, thus indicating the time.

A watchman's detector in which the apparatus for recording the times of visiting several stations is contained within a single clock.

plural of carriage clock

(idiomatic) To perform a task or successfully complete an activity within a time limit. / (idiomatic) To be used or become operational before a deadline or date of expiration.

A clock whose decorative case has the general form of a vase, especially one in which there is no ordinary dial, but in which part of a vase revolves while a single stationary indicator serves as a hand.

plural of vase clock

An instrument for ascertaining the velocity of the blood in a vessel.

plural of chess clock