- a sports arena, usually oval or horseshoe-shaped, with tiers of seats for spectators.
- an ancient Greek course for foot races, typically semicircular, with tiers of seats for spectators.
- an ancient Greek and Roman unit of length, the Athenian unit being equal to about 607 feet (185 meters).
- a stage in a process or in the life of an organism.
- stage (def. 11b).
- a sports arena with tiered seats for spectators
- (in ancient Greece) a course for races, usually located between two hills providing natural slopes for tiers of seats
- an ancient Greek measure of length equivalent to about 607 feet or 184 metres
- (in many arthropods) the interval between two consecutive moultings
- a particular period or stage in the development of a disease
