from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A valve that may be turned to regulate the flow of fluid through a pipe (especially water through a mains supply)
from the GNU version of the Collaborative International Dictionary of English
- n. a valve that can be closed or opened at will, as by hand, for preventing or regulating flow, as of a liquid in a pipe; -- in distinction from a valve which is operated by the action of the fluid it restrains.
from The Century Dictionary and Cyclopedia
- n. In hydraulics, a valve which closes a pipe against the passage of fluid.
- n. In steam-engines, a valve fitted to the steam-pipes, where they leave the several boilers, in such a way that any boiler may be shut off from the others and from the engines.
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