Swallowtail (flag)
WordNet

noun


(1)   A man's full-dress jacket with two long tapering tails at the back
WiktionaryText

English



Noun


swallowtail (plural: swallowtails)
  1. the forked tail of a swallow.
  2. anything, such as a burgee, of a similar forked shape.
  3. a type of tailcoat with two long tapering tails.
  4. any of various butterflies of the family Papilionidae, having a forked extension to the hind wing.
 
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