Nounpivot hinge (using extensions on the top and bottom of a door that fit into cavities in the frame) · sliding wooden bolt (for holding a door or window shut)

Nouncavities in the frame of a door used as part of a pivot hinge · door

Nounextensions on the top and bottom of a door that fit into cavities in the frame (as part of a pivot hinge)

Nounlanguage center (brain); language centre

Nounnerve centre; nerve center