crotch

名词 crotch:

1. the region of the angle formed by the junction of two branches
   同义词：fork
2. the angle formed by the inner sides of the legs where they join the human trunk
   同义词：fork
3. external sex organ
   同义词：genitalia, genital organ, genitals, private parts, privates

crotch

n.（名词）
The angle or region of the angle formed by the junction of two parts or members, such as two branches, limbs, or legs.
胯部：由两个分支、两条手臂或两条腿等两个部分交叉而成的角区或区域
The fork of a pole or other support.
叉：柱子或其它支承物的叉状部件

来源：
Possibly alteration of crutch
可能为 crutch的变化
and partly from croche [crook, crosier] from Old French croche [hook, shepherd`s crook] [feminine of] croc [hook]
并且部分源自 croche [曲杯杖，权杖] 源自 古法语 croche [弯钩，牧羊杖] [] croc的阴性词 [弯钩]

【引伸】
crotched