receptacle providing a place in a wiring system where current can be taken to run electrical devices
a bony hollow into which a structure fits
receptacle where something (a pipe or probe or end of a bone) is inserted
a receptacle into which an electric device can be inserted
an architectural partition with a height and length greater than its thickness; used to divide or enclose an area or to support another structure
anything that suggests a wall in structure or function or effect
a difficult or awkward situation
a vertical (or almost vertical) smooth rock face (as of a cave or mountain)
a layer of material that encloses space
