Word:

Four-way cock

a cock connected with four pipes or ports, and having two or more passages in the plug, by which the adjacent pipes or ports may be made to communicate; formerly used as a valve in the steam engine, and now for various other purposes. In the illustration, a leads to the upper end of a steam engine cylinder, and b to the lower end; c is the steam pipe, and d the exhaust pipe.

See also: Four-way

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four-lined plant bug
four-membered
four-minute man
Four-o'clock
four-o'clock family
four-part harmony
four-party
four-ply
Four-poster
four-pounder
four-sided
four-spot
four-stroke engine
four-stroke internal-combustion engine
four-tailed bandage
Four-way
-- Four-way cock --
Four-way stop
four-wheel
four-wheel drive
Four-wheeled
Four-wheeler
four-wing flying fish
Fourb
FOURCC
Fourche
Fourchette
Fourdrinier
Fourfold
fourfold point correlation
Fourfooted
Fourgon
Fourhanded
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