stopcock
(ˈstɒpˌkɒk) n (Building) a valve used to control or stop the flow of a fluid in a pipe
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
cock1
(kɒk)
n. 1. a male chicken; rooster.
2. the male of any bird, esp. of the gallinaceous kind.
3. Also called
stopcock. a hand-operated valve or faucet that controls the flow of liquid or gas.
4. (in a firearm)
a. the part of the lock that, by its fall or action, causes the discharge; hammer.
b. the position of the hammer preparatory to firing, usu. drawn completely back.
7. chief; leader.
v.t. 9. to draw back the hammer of (a firearm) preparatory to firing.
10. to draw back in preparation for throwing or hitting.
11. to set (a camera shutter) for tripping.
v.i. 12. to cock the hammer of a firearm.
[before 900; Middle English; Old English cocc, c. Old Norse kokkr; orig. imitative]
cock2
(kɒk)
v.t. 1. to turn up or to one side, often in a jaunty manner: The puppy cocked its ear at the sound.
v.i. 2. to stand up conspicuously.
n. 3. the act of turning up or to one side, esp. in a jaunty manner.
[1705–15; probably v. use of
cock1]
cock3
(kɒk)
n. North Midland U.S. a conical pile of hay, dung, etc.
[1350–1400; Middle English; compare dial. German Kocke heap of hay or dung, Norwegian kok heap, lump; akin to Old Norse kǫkkr lump]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.