Alternative form of grandfather clock / (card games) A form of patience in which cards are laid out in an arrangement resembling a clock face.

plural of alarm clock

A metaphorical clock representing when one is expected to die, e.g. when someone expects to have a short lifespan because of an illness.

Any clock that uses a pendulum to regulate its movement

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

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.

plural of vase clock

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.

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