clock

noun (TIME)

/klɒk/

/klɑːk/

Definition

A1 [C] a device for measuring and showing time, usually found in or on a building and not worn by a person: We have an antique clock on our mantelpiece. The town-hall clock says (= shows that the time is) nine o'clock. I think the kitchen clock is fast/slow (= is showing a later/earlier time than it should). The clock began to strike twelve. She set her clock (= put it to the right time) by the time signal on the radio.Watches and clocks put/turn the clocks back UK (US set/turn the clocks back) › to change the time on your clocks to an hour earlier, at an officially chosen time of year: Don't forget to turn the clocks back tonight.Watches and clocks put/turn the clocks forward (US also set the clocks ahead) › to change the time on your clocks to an hour later, at an officially chosen time of yearThe seasons

(Definition of clock noun (TIME) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)