Definition

/piːk/

noun

A point; the sharp end or top of anything that terminates in a point; as, the peak, or front, of a cap.
The highest value reached by some quantity in a time period.
“The stock market reached a peak in September 1929.”
The top, or one of the tops, of a hill, mountain, or range, ending in a point.
“They reached the peak after 8 hours of climbing.”
The whole hill or mountain, especially when isolated.
The upper aftermost corner of a fore-and-aft sail.
“peak-brails”

verb

To reach a highest degree or maximum.
“Historians argue about when the Roman Empire began to peak and ultimately decay.”
To rise or extend into a peak or point; to form, or appear as, a peak.
To raise the point of (a gaff) closer to perpendicular.

adjective