An interval of four years between celebrations of the Olympic Games, by which the ancient Greeks reckoned dates.
Sports A celebration of the modern Olympic Games.
[Back-formation from Middle English Olympiades, Olympiads, from Latin Olympias, Olympiad-, Olympiad, from Greek Olumpias, Olumpiad-, from Olumpia, Olympia, Greece, site of the Olympic Games.]
1398, "period of four years" (between Olympic games), from Gk. olympiados, gen. of Olympias (see Olympic). Used by ancient Greeks as a unit in computing time. Revived in modern usage with revival of the games, 1896.