(Science: zoology) A swallow.
A genus of swallows including the purple martin. See Martin.
An American butterfly (Polygonia, or vanessa, Progne). It is orange and black above, grayish beneath, with an L-shaped silver mark on the hind wings.
Synonym: gray comma.
Origin: L, a swallow, traditionally said to be fr. Progne (The sister of Philomela), who was changed into a swallow, Gr.