Definition of crest verb from the Oxford Advanced Learner's Dictionary

     

    crest

     verb
    verb
    BrE BrE//krest//
     
    ; NAmE NAmE//krest//
     
    Verb Forms present simple I / you / we / they crest
    BrE BrE//krest//
     
    ; NAmE NAmE//krest//
     
    he / she / it crests
    BrE BrE//krests//
     
    ; NAmE NAmE//krests//
     
    past simple crested
    BrE BrE//ˈkrestɪd//
     
    ; NAmE NAmE//ˈkrestɪd//
     
    past participle crested
    BrE BrE//ˈkrestɪd//
     
    ; NAmE NAmE//ˈkrestɪd//
     
    -ing form cresting
    BrE BrE//ˈkrestɪŋ//
     
    ; NAmE NAmE//ˈkrestɪŋ//
     
    Mountains and valleys
     
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  1. 1[transitive] crest something (formal) to reach the top of a hill, mountain or wave He slowed the pace as they crested the ridge. The ship crested a wave and then fell twenty feet or more. See related entries: Mountains and valleys
  2. 2[intransitive] (North American English) (of a flood, wave, etc.) to reach its highest level before it falls again (figurative) The level of debt crested at a massive $290 billion in 2009.
  3. Word Origin Middle English: from Old French creste, from Latin crista ‘tuft, plume’.
See the Oxford Advanced American Dictionary entry: crest