American English

Definition of roost verb from the Oxford Advanced American Dictionary

 

roost

 verb
verb
NAmE//rust//
 
[intransitive]Verb Forms present simple I / you / we / they roost
 
he / she / it roosts
 
past simple roosted
 
-ing form roosting
 
 
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  • (of birds) to rest or go to sleep somewhere
  • Idioms
    something comes home to roost (also the chickens come home to roost)
     
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    used to say that if someone says or does something bad or wrong, it will affect them badly in the future
    See the Oxford Advanced Learner's Dictionary entry: roost