1. noun /piːk/
a) A point; the sharp end or top of anything that terminates in a point; as, the peak, or front, of a cap.
The stock market reached a peak in September 1929.
b) The highest value reached by some quantity in a time period.
2. verb /piːk/
a) To reach a highest degree or maximum.
b) To become sick or wan.
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