crest
noun [ C ] uk/krest/ us/krest/
(TOP)
（浪、山等的）峰，顶，尖
the top or highest part of something such as a wave or a hill
the crest of a hill/wave 山顶／波峰
（动物的）羽冠，肉冠
a growth of feathers, fur, or skin along the top of the heads of some animals
（尤指过去装饰于士兵帽顶的）羽饰，毛饰
a decoration, usually made of feathers or animal hair, on the top of a soldier's hat, especially in the past
(PICTURE)
（家族、城镇、机构等作为标记的）饰章，徽章，纹章
a formal design that is used by a family, town, organization, etc. as the symbol that represents them
a royal crest 皇家的徽章
(PART OF BODY)
medical specialized嵴（身体的突出物或突出结构，尤指骨顶或其边缘之隆起部）
a part of the body that sticks out of another body structure, especially bones
Waist circumference was measured midway between the lower rib margin and the iliac crest. 腰围是测量最下面一块肋骨和髂骨嵴之间的中间点一圈的长度。
Idiom
be riding/on the crest of a waveidiom 处于鼎盛时期；处于巅峰时期
to be very successful for a limited period of time
Mrs Singh is still riding the crest of a wave of popularity. 辛格夫人的声望仍然如日中天。