A timer is a device used to measure the passage of time. The crossword solutions for this term are MINTIER (7 letters), TIMEPIECE (9 letters), CLOCK (5 letters), STOPWATCH (9 letters), and TWO (3 letters). MINTIER is an archaic term for a TIMEPIECE, such as a CLOCK or watch. TIMEPIECE is a more general term for any device used to measure the passage of time, such as a CLOCK, watch, or STOPWATCH. CLOCK is a device used to measure the passage of time, usually with hands or digital numbers that indicate the hour and minute. STOPWATCH is a device used to measure the passage of time in intervals, usually with a start and stop button. TWO is the number of hands on a traditional CLOCK.