- timer - a timepiece that measures a time interval and signals its end
--1 is a kind of timepiece, timekeeper
--1 has particulars: chronograph; parking meter; stopwatch, stopo watchDerived forms: verb time3, verb time1 - timekeeper, timer - (sports) an official who keeps track of the time elapsed
--2 is a kind of official
Derived form: verb time1 - timer - a regulator that activates or deactivates a mechanism at set times
--3 is a kind of governor, regulator
Derived form: verb time4