n.
1.the top line of a hill, mountain, or wave
2.the top point of a mountain or hill
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 crest v.
1.lie at the top of
2.reach a high point
Idiom of the Day
reach first base with (someone or something)
to make a major advance with someone or something
The salesperson was unable to reach first base with the buyer.