crest crest /ˈkrɛst/

noun

1. () The top line of a hill, mountain, or wave  ( crest )
   the top line of a hill, mountain, or wave
     They reached the crest of the mountain and were rewarded with a breathtaking view.
   They reached the crest of the mountain and were rewarded with a breathtaking view.
   
   
2. () The top or extreme point of something (usually a mountain or hill)  ( crown , summit , tip , crest , peak , top )
   the top or extreme point of something (usually a mountain or hill)
    The view from the peak was magnificent
   the view from the peak was magnificent
    They clambered to the tip of Monadnock
   they clambered to the tip of Monadnock
    The region is a few molecules wide at the summit
   the region is a few molecules wide at the summit
   
3. A showy growth of e.g. feathers or skin on the head of a bird or other animal  ( crest )
   a showy growth of e.g. feathers or skin on the head of a bird or other animal
   
4. (heraldry) in medieval times, an emblem used to decorate a helmet  ( crest )
   (heraldry) in medieval times, an emblem used to decorate a helmet
    The knight's helmet was adorned with a unique crest, symbolizing his family lineage.
   The knight's helmet was adorned with a unique crest, symbolizing his family lineage.
   
   
5. The center of a cambered road  ( crest , crown )
   the center of a cambered road
   

verb

1. Reach a high point  ( crest )
   reach a high point
    The river crested last night
   The river crested last night
   
2. Lie at the top of  ( crest , cap )
   lie at the top of
    Snow capped the mountains
   Snow capped the mountains