Noah Webster
Peak
PEAK, noun [Eng. pike, beak.]
1. The top of a hill or mountain, ending in a point; as the peak of Teneriffe.
2. A point; the end of any thing that terminates in a point.
3. The upper corner of a sail which is extended by a gaff or yard; also, the extremity of the yard or gaff.
PEAK, verb intransitive To look sickly or thin. [Not used.]
1. To make a mean figure; to sneak. [Not used.]
PEAK, verb transitive To raise a gaff or yard more obliquely to the mast.