Mousehole

• (n.) A hole made by a mouse, for passage or abode, as in a wall; hence, a very small hole like that gnawed by a mouse.
Found on http://thinkexist.com/dictionary/meaning/mousehole/

Mousehole

[drilling] The mousehole is the storage area on a drilling rig where the next joint of drilling pipe is held until needed. This hole is in the floor of the rig, bored into the earth for a short ways, and usually lined with a metal casing known as a scabbard. OSHA Definition ...
Found on http://en.wikipedia.org/wiki/Mousehole_(drilling)

Mousehole

Mouse'hole` noun A hole made by a mouse, for passage or abode, as in a wall; hence, a very small hole like that gnawed by a mouse.
Found on http://www.encyclo.co.uk/webster/M/108
No exact match found