crest

Noun

• a showy growth of e.g. feathers or skin on the head of a bird or other animal

• (heraldry) in medieval times, an emblem used to decorate a helmet

• the center of a cambered road

• the top or extreme point of something (usually a mountain or hill)
  • the view from the peak was magnificent
    
  • they clambered to the tip of Monadnock
    
  • the region is a few molecules wide at the summit
    

• the top line of a hill, mountain, or wave

Verb

• reach a high point
  • The river crested last night
    

• lie at the top of
  • Snow capped the mountains
    

Related words

• Synonyms: 
  crown , peak , top , tip , summit , cap