1
- the pointed top of a mountain山峰, 巅。
1.1
- a mountain, especially one with a pointed top（尤指有尖峰的）山。
1.2
- a projecting pointed part or shape尖端, 尖顶：
whisk 2 egg whites to stiff peaks.
把两个蛋白搅拌至黏稠状。
1.3
- a stiff brim at the front of a cap帽舌。
1.4
- the narrow part of a ship's hold at the bow or stern（艏或艉的）尖舱。
1.5
- the upper, outer corner of a sail extended by a gaff斜桁外端, （帆的）后上角。
1.6
- a point in a curve or on a graph, or a value of a physical quantity, higher than those around it峰值, 极值。
1.7
- the point of highest activity, quality, or achievement顶点, 顶峰：
anyone who saw Best at his peak looked upon genius.
任何看到处于鼎盛时期的贝斯特的人都看到了天才。
no obj., with adverbial
- reach a highest point, either of a specified value or at a specified time达到最大值, 达到高峰：
its popularity peaked in the 1940s.
它最流行的时期是在20世纪40年代。
attrib.
1- greatest; maximum最好的; 最大值的：
he did not expect to be anywhere near peak fitness until Christmas.
他预计到圣诞节时身体才能接近最佳状态。
1.1
- characterized by maximum activity or demand高峰的：
at peak hours, traffic speeds are reduced considerably.
在高峰期, 交通的速度大大降低。
USAGE
The word meaning 'look quickly or furtively' and 'a quick or furtive look' is peek, not peak. See usage at PEEK.
词源
mid 16th cent.: probably a back-formation from peaked, variant of dialect picked 'pointed'.