n.裂縫；裂隙

There are many crannies on the wall. 在墻上有許多小裂縫。

The cranny in the table became more and more wide. 桌子上的裂縫越變越寬。

I've searched every nook and cranny but I still can't find the keys. 我找遍所有的地方也沒找到鑰匙。

Every nook and cranny has been swept clean. 旮旮旯旯兒都打掃干凈了。