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English definition of “lay sth down”

lay sth down

(RULES) phrasal verb with lay     /leɪ/ verb (laid)
to officially establish a rule , or to officially say how something should be done: This is in line with the policy laid down by the management .Giving orders and commands
(Definition of lay sth down (RULES) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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