A chronometer, an instrument that measures time, particularly the time of day.

(attributive) A common noun relating to an instrument that measures or keeps track of time.

(Britain) The odometer of a motor vehicle.

(electronics) An electrical signal that synchronizes timing among digital circuits of semiconductor chips or modules.

The seed head of a dandelion.

A time clock.

(computing, informal) A CPU clock cycle, or T-state.

(uncountable) A luck-based patience or solitaire card game with the cards laid out to represent the face of a clock.

A pattern near the heel of a sock or stocking.

A large beetle, especially the European dung beetle (Geotrupes stercorarius).

(transitive) To measure the duration of.

(transitive) To measure the speed of.

(transitive, slang) To hit (someone) heavily.

(transitive, slang) To notice, recognize, or identify someone or something, particularly in transgender slang.

(Britain, slang) To falsify the reading of the odometer of a vehicle.

(transitive, Britain, New Zealand, Australia, slang) To beat a video game.

(transitive) To ornament (e.g. the side of a stocking) with figured work.