stopwatch
(stɒpwɒtʃ ) also stop-watch
Word forms: stopwatches
countable noun
A stopwatch is a watch with buttons which you press at the beginning and end of an event, so that you can measure exactly how long it takes.
They go in well prepared with a tight schedule and stopwatches.
Image of stopwatch
© Garsya, Shutterstock
Translations:
Chinese: 跑表
Japanese: ストップウォッチ