📒 an instrument for measuring and showing time, in a room, on the wall of a building or on a computer screen (not worn or carried like a watch)
📒 the milometer in a vehicle (= an instrument that measures the number of miles the vehicle has travelled)
📒 if you do something against the clock, you do it fast in order to finish before a particular time
📒 all day and all night without stopping
📒 to finish a task, race, etc. before a particular time
📒 to defeat or do better than somebody at something
📒 to hit somebody or beat them in a fight
📒 used to say that there's not much time left before something happens
📒 the time changes officially, for example at the beginning and end of summer
📒 to return to a situation that existed in the past; to remember a past age
📒 to return to old-fashioned methods or ideas
📒 to change the time shown by clocks, usually by one hour, when the time changes officially, for example at the beginning and end of summer
📒 a situation in which you have to do something or finish something very fast before it is too late
📒 if a sports team tries to run down/out the clock at the end of a game, it stops trying to score and just tries to keep hold of the ball to stop the other team from scoring
📒 to stop measuring time in a game or an activity that has a time limit
📒 to be careful not to work longer than the required time; to think more about when your work will finish than about the work itself