1
- a comb or tuft of feathers, fur, or skin on the head of a bird or other animal（鸟、兽的）羽冠; 肉冠。
1.1
- a thing resembling such a tuft, especially a plume of feathers on a helmet羽冠状物; （尤指头盔上的）羽饰。
2
- the top of something, especially a mountain or hill（山）顶：
she reached the crest of the hill.
她到达了山顶。
2.1
- the curling foamy top of a wave波峰。
2.2
- Anatomy a ridge along the surface of a bone【剖】嵴。
2.3
- the upper line of the neck of a horse or other mammal（马或其他哺乳动物的）颈脊。
3
- Heraldry a distinctive device borne above the shield of a coat of arms (originally as worn on a helmet), or separately reproduced, for example on writing paper or silverware, to represent a family or corporate body【纹章】（盾形纹章上方的）饰章（起先戴在头盔上, 或单独复制在信纸或银器等上以代表某个家族或法人团体）。
with obj.
1- reach the top of (something such as a hill or wave)到达（山或波浪等）的顶点（或顶峰）。
1.1
- no obj.(of a wave) form a curling foamy top（波浪）形成峰。
1.2
- no obj. US (of a river, flood, etc.) rise to its highest level〈美〉（河流、洪水等）涨到最高点。
1.3
be crested
have attached or affixed at the top饰有（或系有）冠状饰物：his helmet was crested with a fan of spikes.
他的头盔上饰有扇形穗状饰物。
短语
on the crest of a wave
- at a very successful point处于成功的时候; 得意之时：
his career is on the crest of a wave at present.
他现在的事业正处于一帆风顺的时期。
派生词
crestless
adjective词源
Middle English:from Old French creste, from Latin crista 'tuft, plume'.