crest

noun

1.
the top line of a hill, mountain, or wave
bald
Derived from:
crest
2.
the top or extreme point of something (usually a mountain or hill)
hillhead ris yop crown peak summit tip top
Derived from:
crest
3.
the center of a cambered road
crown
4.
(heraldry) in medieval times, an emblem used to decorate a helmet
woolpack
5.
a showy growth of e.g. feathers or skin on the head of a bird or other animal