1
inner thigh;inside of the thigh
2
(walking) pigeon-toed;having one's toes turned inward
あの男の人、内股で歩いているよ。
That guy is walking pigeon-toed.
3
uchi-mata (judo);throwing an opponent by putting one's leg between their legs
Other forms
内また 【うちまた】 (search-only kanji form)