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swallowtail Syllabification: swal·low·tail
Pronunciation: /ˈswälōˌtāl/

Definition of swallowtail in English:


Image of swallowtail
1 (also swallowtail butterfly) A large brightly colored butterfly with taillike projections (suggestive of a swallow’s tail) on the hind wings.
  • Family Papilionidae: many genera and species, including the pipevine swallowtail (Battus philenor) of southern North America and the eastern tiger swallowtail (Papilio glaucus) of eastern North America
Example sentences
  • Citrus attracts the swallowtail butterfly, and the larvae resemble bird droppings, but you will want to leave the young alone for the sake of future butterflies.
  • Dill and fennel are good plants for the caterpillars of the black swallowtail butterfly.
  • After mating, the male tiger swallowtail butterfly deposits a small ‘mating plug’ inside the female to try to prevent her from mating again.
2 [usually as modifier] A deeply forked tail; a thing resembling such a tail in shape: swallowtail suits
More example sentences
  • I am not going back as far as the days of the corduroy and the swallow-tailed coat but what I remember myself.
  • Two military knights, in uniforms of scarlet swallowtail coats with black arm bands, stood in solemn vigil, guarding the Princess's coffin.
  • They all look slightly ridiculous in their epaulets and tin pot hats and braided swallowtail coats.


Pronunciation: /ˈswälōˌtāld/
Example sentences
  • The ones I missed right off the bat were the swallow-tailed butterflies (the big yellow and black ones that used to be everywhere), the long-tailed hummingbird and Lignum Vitae trees.
  • Higher still, trapeze performers dive and fall: swallow-tailed kite, painted bunting, Cooper's hawk.
  • There were gopher tortoises here and above us swallow-tailed kites.
Definition of swallowtail in:
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