1 definition found

From The Collaborative International Dictionary of English v.0.44 [gcide]:

Butterfly \But"ter*fly'\, noun; 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}.] (Zo["o]l.) A general name for the numerous species of diurnal Lepidoptera.

Note: [See Illust. under {Aphrodite}.]

{Asclepias butterfly}. See under {Asclepias}.

{Butterfly fish} (Zo["o]l.), the ocellated blenny ({Blennius ocellaris}) of Europe. See {Blenny}. The term is also applied to the flying gurnard.

{Butterfly shell} (Zo["o]l.), 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.
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