A watch which indicates fractions of a second by a hand that may be instantly stopped by pressure on a spring or catch, so as to record an exact…

something that marks or indicates the passage of time; an automatic device for doing this.

A contrivance for measuring time, consisting of a glass vessel with obconical ends connected by a constricted neck, through which a quantity of…

A clock incorporating a device for recording employees' times of arrival and departure.

a lock fitted with a device or mechanism which prevents its being unlocked until a set time.

(a) a glass for holding an egg; (b) a sand-glass in which the running of the sand indicates the time during which an egg should be boiled.

An instrument for recording time with extreme exactness; also, a watch or clock to which various mechanical devices are attached for the same…

(a) a device for timing the cooking of an egg; (b) a device for boiling an egg.

A timing device. A device used to measure the time taken by a process or activity, or measures and signals the end of the interval of time which…

(see quot.).

a switch that operates automatically at or after a fixed time.

(see quot. 1962).

(a) a photoelectric timer for regulating exposure time in radiography; (b) a timer for races incorporating a camera which photographs the finish.

An instrument which emits a ping or pings, esp. as a warning or reminder; spec. a kitchen timer.

a clock that displays a countdown of the time within which a shot must be attempted.