n.裂缝;裂隙
There are many crannies on the wall. 在墙上有许多小裂缝。
The cranny in the table became more and more wide. 桌子上的裂缝越变越宽。
I've searched every nook and cranny but I still can't find the keys. 我找遍所有的地方也没找到钥匙。
Every nook and cranny has been swept clean. 旮旮旯旯儿都打扫干净了。