Olympiad
Olympiad (o*lim"pi*ad) , noun
[Latin olympias, -adis, Greek 'olympia`s, 'olympia`dos, from 'O`lympos Olympus, a mountain in Macedonia: compare French olympiade.]
1.
(Greek Antiquities) A period of four years, by which the ancient Greeks reckoned time, being the interval from one celebration of the Olympic games to another, beginning with the victory of Corobus in the foot race, which took place in the year 776 b. c.; as, the era of the olympiads.
2.
The quadrennial celebration of the modern Olympic games; as, the first Olympiad (1906). See Olympics.