a timepiece, esp. a watch, that may be made to strike the hour or part of the hour. Cf.
a pupil who repeats a course or group of courses that he or she has failed.
a person who votes illegally by casting more than one vote in the same election.
a person who has been convicted and sentenced for one crime, and later for another; recidivist.
(no longer in technical use) a repeating decimal.
a device capable of receiving one-way or two-way communications signals and delivering corresponding signals that are either amplified, reshaped, or both.