Definition of valve:
- A door; especially, one of a pair of folding doors, or one of the leaves of such a door.
- A lid, plug, or cover, applied to an aperture so that by its movement, as by swinging, lifting and falling, sliding, turning, or the like, it will open or close the aperture to permit or prevent passage, as of a fluid.
- A small portion of certain anthers, which opens like a trapdoor to allow the pollen to escape, as in the barberry.
- One of the pieces into which a capsule naturally separates when it bursts.
- One of the pieces or divisions of bivalve or multivalve shells.
- One of the two similar portions of the shell of a diatom.
- One or more membranous partitions, flaps, or folds, which permit the passage of the contents of a vessel or cavity in one direction, but stop or retard the flow in the opposite direction; as, the ileocolic, mitral, and semilunar valves.
rocking, piston, butterfly, apparatus, organ, throttle, heart, chamber, reducing, innards, fret, camshaft, exhaust, canal, cock, intake, button, alarm, shut-off, entrails, globe, carriage, bridge, slide, cutoff, catgut, organic, belt, bucket, lift, sleeve, safety, hammer, drumstick, stopcock, bow, guts, damper, ball bearing, ancillary, key, check, bearing, lid, overhead, device, dry-pipe, head, bellows, part, cam, gate, cavity, side.
- "The Border Boys Across the Frontier", Fremont B. Deering.
Inside was a gasoline chamber with two tapped openings, one to receive a pipe from the 2- gallon gasoline tank mounted above the engine, the other taking a pipe to the overflow tank underneath the engine, thus maintaining the gasoline level without the use of a float valve.- "The 1893 Duryea Automobile In the Museum of History and Technology", Don H. Berkebile.
Put on the perforated plate, with its valve- pipe screwed on, and fill up the whole space to the top of the tube with nicely- mashed potatoes mixed with a little milk, and finish the surface of them in any ornamental manner.- "The Book of Household Management", Mrs. Isabella Beeton.