Definition of "stop-watch" []

• A watch which records small fractions of a second, and in which the hands can be stopped at any instant, so as to mark the exact time at which some event occurs: chiefly used in timing races. (noun)

The Century Dictionary (Public Domain)

• "I think it's reasonable to say that she's involved with the Master's regeneration process somehow, either as a keeper of the ring (that's really something like a stop-watch and hold his consciousness), or as the human half of a metacrisis."
• "At the Bethlehem Steel works in Pennsylvania, Taylor gave out shovels specifically designed to hold 21 pounds--small ones for shoveling ashes, big ones for shoveling iron ore--and made "thousands of stop-watch observations" to calculate the most efficient shoveling method."
• "Great idea for a TV sports gimmick that at least two stations thought of this week: have an on-air reporter attempt the Albert Haynesworth conditioning test, and then show video of the hilarious results, complete with the flashing stop-watch."