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English definition of “lie up”

lie up

mainly UK
verb uk phrasal verb with lie   /laɪ/ us  
to hide from police officers, soldiers, etc. who are looking for you: The escaped prisoners lay up in a barn for a few weeks, until the search had been called off.Hiding and disguising
(Definition of lie up from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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