kotyla

The cotylae are also features on the proximal end of the radius and of the ulna in birds. thumb|Attic cotyla cup with an owl (5th century BC), National Museum, Warsaw|National Museum, in [[Warsaw]]

In classical antiquity, the cotyla or cotyle () was a measure of capacity among the Greeks and Romans: by the latter it was also called ; by the former, and or . It was the half of the sextarius or , and contained six cyathi, or nearly half a pint English.