Quarter's one fourth, ¼, or 25%. Quarter may also refer to: Quarter (academic), a division of an academic year lasting from 8 to 12 weeks Quarter (United States coin), valued at one-fourth of a U.S. dollar Quarter (Canadian coin), valued at one-fourth of a Canadian dollar Quarter day, in British and Irish tradition, one of four dates in each year on which rents, etc. were due Quartering (heraldry), joining several coats of arms on one shield partitioned in four "Quarters", a drinking… (More on Quarter)