Having a forked tail like a swallow's.

The forked tail of a swallow. / Anything, such as a burgee, of a similar forked shape. / A type of tailcoat with two long tapering tails.ᵂᵖ

plural of swallowtail

Battus philenor, a swallowtail butterfly found in North America and Central America, black with iridescent blue hind wings.

plural of pipevine swallowtail

plural of tiger swallowtail

A species of tiger swallowtail native to western North American, Papilio eurymedon, with the wings a much paler yellow (sometimes white).

Any of a group of North American butterfly species in the genus Papilio that typically have a distinctive pattern of black stripes on yellow wings reminiscent of tiger fur.

plural of pale swallowtail