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English definition of “lay down something”

lay down something

(STATE) (past tense and past participle laid  /leɪd/) phrasal verb with lay    /leɪ/ verb (past tense and past participle laid  /leɪd/)
to state something plainly esp . as an official rule : The coach laid down the rules from the first day of practice .
(Definition of lay down something (STATE) from the Cambridge Academic Content Dictionary © Cambridge University Press)
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