stopwatch
analog or digital timepiece designed to measure an amount of time, having push buttons to start/stop and reset a time stopping action
en-US/ˈstɑpˌwɑt͡ʃ/
en-GB/ˈstɒpwɒt͡ʃ/
analog or digital timepiece designed to measure an amount of time, having push buttons to start/stop and reset a time stopping action