stopwatch

Meanings

1. 1
   noun

   a timepiece that can be started or stopped for exact timing

   I signalled for the runners to start and began timing on my stopwatch.

2. 2
   noun

   A timepiece designed to measure the amount of time elapsed between a particular time when activated and when the piece is deactivated.

   I etched the face of a stopwatch on the back of a raindrop And did a swap for the sand in an hourglass

3. 3
   verb

   To time (something) by means of a stopwatch.

Etymology

From stop + watch.