plural of mousehole

A hole through which a mouse enters a room. / Any small hole or opening. / (oil industry, drilling) The storage area on a drilling rig where the next joint of drilling pipe is held until needed.

The urban warfare tactic of creating access to adjoining rooms or buildings by blasting or tunnelling through a wall, so as to avoid the open streets.

A village and fishing port in Penzance parish, Cornwall, England (OS grid ref SW4726).