mousehole

About 0.03 uses per million words.

Meaning

1. noun A hole through which a mouse enters a room.
2. noun Any small hole or opening.
3. noun The storage area on a drilling rig where the next joint of drilling pipe is held until needed.

Similar words

mouse doormouse mousery mousehood mousekin mouse mat mousemat muset mouser mouselet

Often followed by

and cat in to is