cleft

1. N-COUNT A cleft in a rock or in the ground is a narrow opening in it. 裂口

...a narrow cleft in the rocks too small for humans to enter. ...石块上一个对于人想钻进来说太小了的裂口。

2. N-COUNT A cleft in someone's chin is a line down the middle of it. (下巴上的)裂纹

3. ADJ If someone has a cleft chin, they have a cleft in their chin. (下巴)裂的[ADJ n]