2 entries found for swallowtail.
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Main Entry: swal·low·tail
Pronunciation: swäl--tl
Function: noun 1: a deeply forked and tapering tail (as of a swallow) 2: any of various usually large butterflies in which the hind wing is elongated into a process that resembles a tail - swal·low-tailed /swäl--tld/ adjective