wall
Pronunciation: /wɔːl/
noun
- 1a continuous vertical brick or stone structure that encloses or divides an area of land: a garden wall
- an upright side of a building or room: opulent rooms with tapestries on the walls
- any high vertical surface, especially one that is imposing in scale: the eastern wall of the valley figurative flash floods sent a six-foot wall of water through the village
- 2a thing regarded as a protective or restrictive barrier: police investigating the murders met a wall of silence from witnesses
- Soccer a line of defenders forming a barrier against a free kick taken near the penalty area: he curled a free kick around the wall for a late equalizer
- 3 Anatomy & Zoology the membranous outer layer or lining of an organ or cavity: the wall of the stomach
- 5another term for wall brown.
verb
- enclose (an area) within walls, especially for protection or privacy: parts of the city’s East End had been walled off with concrete barricades (as adjective walled) a walled garden
- (wall something up) block or seal a place by building a wall around or across it: one doorway has been walled up
- (wall someone/thing in/up) confine or imprison someone or something in a restricted or sealed place: the grey tenements walled in the space completely

Phrases
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between you and me and the wall
- see bedpost.
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drive someone up the wall
- informal make someone very irritated or angry: it’s driving me up the wall trying to find out who did what
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go to the wall
informal - 1(of a business) go out of business; fail: thousands of firms are expected to go to the wall this year
- 2support someone or something, no matter what the cost to oneself: the tendency for poets to go to the wall for their beliefs
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go up the wall
informal - become very angry in reaction to something: this causes the dog to go up the wall and bark his head off
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hit the wall
- (of an athlete) experience a sudden loss of energy in a long race: marathon runners found they often hit the wall after 17 or 18 miles
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off the wall
North American informal -
walls have ears
- proverb be careful what you say as people may be eavesdropping.
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wall-to-wall
- (of a carpet) fitted to cover an entire floor: he padded across the wall-to-wall carpeting
- informal very numerous or extensive: wall-to-wall media coverage

Origin:
Old English, from Latin vallum 'rampart', from vallus 'stake'