stopwatch

About 0.26 uses per million words.

Meaning

1. noun A timepiece designed to measure the amount of time elapsed between a particular time when activated and when the piece is deactivated.
2. verb To time (something) by means of a stopwatch.

Similar words

stopo watch clock watch timekeeping timer time timing chronograph time detector chronometer

Often followed by

and to or is in time on was for

Word family

stopwatches