noun
groin; crotch; upper inner thigh
Only when written 股 / 胯
Anatomical use for the area between the legs, including the crotch, groin, and sometimes the upper inner thighs. It can also describe the crotch part of clothing.
長く歩いたら股の内側が痛くなった。
After walking for a long time, the inside of my thighs started to hurt.
ズボンの股が破れてしまった。
The crotch of my pants ripped.
noun
fork; branching point; prongs or tines
Only when written 叉 / 俣
Used for a forked part of a tree, road, river, or similar shape. The spelling 叉 especially points to a fork or prongs, but in ordinary modern wording 分かれ目 or, for a fork utensil, 歯 may be more common.
木の股に小さな鳥の巣があった。
There was a small bird's nest in the fork of the tree.