CEDICT
the posture of having one's legs crossed (one leg crossed over another) when seated
Wiktionary
一条腿搁在另一条腿上的坐姿。
重編國語辭典
坐着时把一条腿放在另一条腿上交叉的姿势
維基詞典
He sat there with his legs crossed.
Source: Tatoeba
classifier: 條