°(now _ historical) A Greek measure of
length, being the chief one used for
itinerary distances, also adopted by the Romans for nautical and astronomical measurements, equal to 600 Greek or 625 Roman feet, or 125 Roman paces, or to 606 feet, 9 inches.
°Hence, a
race course, especially, the Olympic course for foot races.
synonyms:
olympic stadium, arena, stadia, stadia rod