Definition of olympiad in English English dictionary
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 Corbus in the foot race, which took place in the year 776 b.c.; as, the era of the olympiads
a particular occasion of the modern Olympic Games (Olympiade, from , from Olympia)
{i} celebration of the modern Olympic Games occurring every four years; period of four years between the ancient Olympic festivities by which the Greeks kept track of the passage of time
The quadrennial celebration of the modern Olympic games; as, the first Olympiad (1906)
one of the 4-year intervals between Olympic Games; used to reckon time in ancient Greece for twelve centuries beginning in 776 BC
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 Corœbus in the foot race, which took place in the year 776 b