swallowtail in Finnish
swallowtail in Finnish
haarapyrstö
The forked tail of a swallow.
haarukka
Anything, such as a burgee, of a similar forked shape.
hännystakki
A type of tailcoat with two long tapering tails.
ritariperhonen
Any of various butterflies of the family Papilionidae, many of which have a long extension to each hindwing.