waist

n. 腰部, 腰
【医】 腰形容词:waistless 

名词 waist:

1. the narrowing of the body between the ribs and hips
   同义词：waistline
2. the narrow part of the shoe connecting the heel and the wide part of the sole
   同义词：shank

1. Her hair nearly reached down to her waist.
   她的头发几乎垂到了腰部。
2. If the skirt is too big, we can take in the waist.
   要是裙子太大了，我们可以把腰部收紧一些。
3. She wears a ribbon belt round her waist.
   她在腰部束了一条缎带。

waist

n.（名词）


The part of the human trunk between the bottom of the rib cage and the pelvis.
腰：身体躯干胸腔底部和骨盆间的部分
The narrow part of the abdomen of an insect.
昆虫腹部的较窄部位


The part of a garment that encircles the waist of the body.
腰身部位：衣服上环绕人体腰部的部位
The upper part of a garment, extending from the shoulders to the waistline, especially the bodice of a woman`s dress.
内衣上身：衣服的上部，从肩部一直至腰线，尤指妇女的紧身胸衣
A blouse.
罩衫
A child`s undershirt.
儿童的内衣
The middle section or part of an object, especially when narrower than the rest.
物体的腰部：物体的中间部位或部分，尤指比其余部分窄的部分
Nautical The middle part of the deck of a ship between the forecastle and the quarterdeck.
【航海】 船腰：船甲板中部前甲板和后甲板之间的部分

来源：
Middle English wast
中古英语 wast
perhaps from Old English *wôst [growth, size] * see aug-
可能源自 古英语 *wôst [增大，大小] *参见 aug-

【引伸】
waist.less
adj.（形容词）