peak / pik /
noun
the pointed top of a mountain or ridge.
a mountain with a pointed summit.
the pointed top of anything.
verb (used without object)
to project in a peak.
to attain a peak of activity, development, popularity, etc.:
The artist peaked in the 1950s.
verb (used with object)
Nautical. to raise the after end of (a yard, gaff, etc.) to or toward an angle above the horizontal.