- Olympiad - one of the 4-year intervals between Olympic Games; used to reckon time in ancient Greece for twelve centuries beginning in 776 BC
--1 is a kind of time period, period of time, period
- Olympic Games, Olympics, Olympiad - the modern revival of the ancient games held once every 4 years in a selected country
--2 is a kind of athletic contest, athletic competition, athletics
--2 has particulars: Winter Olympic Games, Winter Olympics - Olympic Games, Olympics, Olympiad - the modern revival of the ancient games held once every 4 years in a selected country