clack valve — clack′ valve n. mac a valve having a hinged flap permitting flow only in the direction in which the flap opens • Etymology: 1855–60 … From formal English to slang
clack valve — n. a valve, often hinged at one side, which closes with a clacking sound and allows fluid to flow in only one direction … English World dictionary
clack valve — noun a simple valve with a hinge on one side; allows fluid to flow in only one direction • Syn: ↑clack, ↑clapper valve • Hypernyms: ↑valve * * * noun : a valve usually hinged at one edge that permits flow of fluid in one direction only and that… … Useful english dictionary
clack valve — a valve having a hinged flap permitting flow only in the direction in which the flap opens. Also called flap valve. [1855 60] * * * … Universalium
Clack — Clack, n. [Cf. F. claque a slap or smack, MHG. klac crack, W. clec crack, gossip. See {Clack}, v. t.] 1. A sharp, abrupt noise, or succession of noises, made by striking an object. [1913 Webster] 2. Anything that causes a clacking noise, as the… … The Collaborative International Dictionary of English
Clack box — Clack Clack, n. [Cf. F. claque a slap or smack, MHG. klac crack, W. clec crack, gossip. See {Clack}, v. t.] 1. A sharp, abrupt noise, or succession of noises, made by striking an object. [1913 Webster] 2. Anything that causes a clacking noise, as … The Collaborative International Dictionary of English
Clack dish — Clack Clack, n. [Cf. F. claque a slap or smack, MHG. klac crack, W. clec crack, gossip. See {Clack}, v. t.] 1. A sharp, abrupt noise, or succession of noises, made by striking an object. [1913 Webster] 2. Anything that causes a clacking noise, as … The Collaborative International Dictionary of English
Clack door — Clack Clack, n. [Cf. F. claque a slap or smack, MHG. klac crack, W. clec crack, gossip. See {Clack}, v. t.] 1. A sharp, abrupt noise, or succession of noises, made by striking an object. [1913 Webster] 2. Anything that causes a clacking noise, as … The Collaborative International Dictionary of English
Valve — Valve, n. [L. valva the leaf, fold, or valve of a door: cf. F. valve.] [1913 Webster] 1. A door; especially, one of a pair of folding doors, or one of the leaves of such a door. [1913 Webster] Swift through the valves the visionary fair Repassed … The Collaborative International Dictionary of English
valve box — Valve Valve, n. [L. valva the leaf, fold, or valve of a door: cf. F. valve.] [1913 Webster] 1. A door; especially, one of a pair of folding doors, or one of the leaves of such a door. [1913 Webster] Swift through the valves the visionary fair… … The Collaborative International Dictionary of English