'Butterfly' definitions:

Definition of 'butterfly'

From: WordNet
noun
Diurnal insect typically having a slender body with knobbed antennae and broad colorful wings
noun
A swimming stroke in which the arms are thrown forward together out of the water while the feet kick up and down [syn: butterfly, butterfly stroke]
verb
Flutter like a butterfly
verb
Cut and spread open, as in preparation for cooking; "butterflied shrimp"
verb
Talk or behave amorously, without serious intentions; "The guys always try to chat up the new secretaries"; "My husband never flirts with other women" [syn: chat up, flirt, dally, butterfly, coquet, coquette, romance, philander, mash]

Definition of 'Butterfly'

From: GCIDE
  • Butterfly \But"ter*fly`\, n.; pl. Butterflies. [Perh. from the color of a yellow species. AS. buter-fl[=e]ge, buttor-fle['o]ge; cf. G. butterfliege, D. botervlieg. See Butter, and Fly.] (Zool.) A general name for the numerous species of diurnal Lepidoptera.
  • Note: [See Illust. under Aphrodite.] [1913 Webster]
  • Asclepias butterfly. See under Asclepias.
  • Butterfly fish (Zool.), the ocellated blenny ({Blennius ocellaris}) of Europe. See Blenny. The term is also applied to the flying gurnard.
  • Butterfly shell (Zool.), a shell of the genus Voluta.
  • Butterfly valve (Mech.), a kind of double clack valve, consisting of two semicircular clappers or wings hinged to a cross rib in the pump bucket. When open it somewhat resembles a butterfly in shape. [1913 Webster]