Any of various small insectivorous birds in the genus Enicurus.
A salmon in its fourth year's growth.
Any of various butterflies of the family Papilionidae, many of which have a long extension to each hindwing.
A type of tailcoat with two long tapering tails.ᵂᵖ
The forked tail of a swallow.
Anything, such as a burgee, of a similar forked shape.