'Butterfly valve' definitions:
Definition of 'butterfly valve'
From: WordNet
noun
A valve in a carburetor that consists of a disc that turns and acts as a throttle
Definition of 'Butterfly valve'
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]