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English definition of “wall sth off”

wall sth off

verb uk phrasal verb with wall   /wɔːl/ us    /wɑːl/
to build a wall around a place: They've walled off the electric sub-station for safety reasons.Enclosing, surrounding and immersing
(Definition of wall sth off from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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