crest
noun
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a showy growth of e.g. feathers or skin on the head of a bird or other animal
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(heraldry) in medieval times, an emblem used to decorate a helmet
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the center of a cambered roadcrown
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the top line of a hill, mountain, or wave
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the top or extreme point of something (usually a mountain or hill)peaktopcrowntipsummit
verb
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to reach a high point“The river crested last night.”
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to lie at the top ofcap