See under swallowtail (def 2).
the tail of a swallow or a deeply forked tail like that of a swallow.
any of several butterflies of the genus Papilio, characterized by elongated hind wings that resemble the tail of a swallow, as P. polyxenes (black swallowtail)
Compare spicebush swallowtail, tiger swallowtail, zebra swallowtail.
any of various butterflies of the genus Papilio and related genera, esp P. machaon of Europe, having a tail-like extension of each hind wing: family Papilionidae
the forked tail of a swallow or similar bird
short for swallow-tailed coat
See under swallowwort (def 2). celandine (def 1). any of several plants of the milkweed family, especially a climbing vine, Cynanchum nigrum (black swallowwort) native to Europe, having small, brownish flowers. noun any of several Eurasian vines of the genus Cynanchum, esp C. nigrum, having small brownish-purple flowers: family Asclepiadaceae a related European herbaceous plant, […]
an Australian swan, Cygnus atratus, having mostly black plumage and a red bill. an occurrence or phenomenon that comes as a surprise because it was not predicted or was hard to predict (often used attributively): a disastrous black-swan event that only appeared obvious in hindsight. noun a large Australian swan, Cygnus atratus, that has a […]
a variety of mule deer, Odocoileus hemionus columbianus, of the western slope of the Rocky Mountains, having a tail that is black above. Historical Examples The Plow-Woman Eleanor Gates The Black Wolf Pack Dan Beard The Desert Home Mayne Reid Wilford Woodruff Matthias F. Cowley American Boy’s Life of Theodore Roosevelt Edward Stratemeyer Early Western […]
black heroin. Contemporary Examples Robin Thicke’s ‘Paula’ Is What You Shouldn’t Do When You Get Dumped Andrew Romano June 25, 2014 The Real Bling Ring: Where Are They Now? Tricia Romano May 20, 2013