1.the top line of a hill, mountain, or wave
2.the top point of a mountain or hill;
the view from the peak was magnificent
3.the center of a cambered road
4.(heraldry) in medieval times, an emblem used to decorate a helmet
5.a showy growth of e.g. feathers or skin on the head of a bird or other animal
1.lie at the top of;
Snow capped the mountains
2.reach a high point;
The river crested last night