swallowtail

play
noun swal·low·tail \ˈswä-lō-ˌtāl, -lə-\

Definition of swallowtail

  1. 1 :  a deeply forked and tapering tail (as of a swallow)

  2. 2 :  tailcoat

  3. 3 :  any of various usually large brightly marked butterflies (family Papilionidae, especially genus Papilio) with each hind wing typically having an elongated process

swallow–tailed

play \-ˌtāld\ adjective

Recent Examples of swallowtail from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'swallowtail.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Illustration of swallowtail

First Known Use of swallowtail

1703

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