Definitions for "Olympiad"
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. c.; as, the era of the olympiads.
The quadrennial celebration of the modern Olympic games; as, the first Olympiad (1906). See Olympics.
one of the 4-year intervals between Olympic Games; used to reckon time in ancient Greece for twelve centuries beginning in 776 BC
Keywords:  championships, world, groups, one
one of the groups of world championships.