wall Definition in the Cambridge English Dictionary
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Definition of “wall” - English Dictionary

Definition of "wall" - American English Dictionary

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wallnoun [C]

 us   /wɔl/
a ​verticalstructure that ​divides or ​encloses something: The walls of the ​fortress were more than eighteen ​inchesthick. We’d like the walls painted ​white. A wall of ​people or things is a ​mass of them ​formed in such a way that you cannot get through or past them:
(Definition of wall from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "wall" - British English Dictionary

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wallnoun

uk   /wɔːl/  us   /wɑːl/
A1 [C] a ​verticalstructure, often made of ​stone or ​brick, that ​divides or ​surrounds something: The walls in this ​apartment are so ​thin you can ​hear just about every word the ​neighbours say. The walls ​look a ​bitbare - can't we put some ​pictures up? We had to ​climb over a ten-foot wall to get into the ​garden. The Berlin Wall came down in 1989. [C] any ​outerpart of a ​hollowstructure in the ​body: the wall of the ​uterus/​stomach an ​artery wall [C] a ​mass of ​people or things ​formed in such a way that you cannot get through or past them: The ​demonstratorsformed a ​solid wall to ​stop the ​police from getting past them. [C] in ​football, a ​row of ​players who ​stand ten yards away from where a freekick is taken in ​order to make ​scoringdirectly from the freekick more ​difficult: Rooney ​curved the ​freekick past the Newcastle defensive wall and inside the ​farpost. [S] literary a ​large, ​powerful, usually ​fastmovingmass of something: After the ​rains, the ​houses were ​washed away by a wall ofmud/​water. [S] a way of ​feeling or ​behaving that ​completelyprevents two ​groups of ​people from ​communicating with or ​understanding each other: There is a wall ofmistrust between the two ​groups.
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(Definition of wall from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)

Definition of "wall" - Business English Dictionary

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wallnoun [C]

uk   us   /wɔːl/
go to the wall UK informal if a ​business goes to the wall, it goes ​bankrupt: After twelve months of ​biglosses, the ​company went to the wall.
(Definition of wall from the Cambridge Business English Dictionary © Cambridge University Press)
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