quoin

English Thesaurus

1. (architecture) solid exterior angle of a building; especially one formed by a cornerstone (noun.artifact)

hypernym	:	construction, structure,
definition	:	a thing constructed; a complex entity constructed of many parts (noun.artifact)

part meronym	:	building, edifice,
definition	:	a structure that has a roof and walls and stands more or less permanently in one place (noun.artifact)

domain category	:	architecture,
definition	:	the discipline dealing with the principles of design and construction and ornamentation of fine buildings (noun.cognition)

2. the keystone of an arch (noun.artifact)

hypernym	:	headstone, key, keystone,
definition	:	the central building block at the top of an arch or vault (noun.artifact)

3. expandable metal or wooden wedge used by printers to lock up a form within a chase (noun.artifact)

hypernym	:	wedge,
definition	:	something solid that is usable as an inclined plane (shaped like a V) that can be pushed between two things to separate them (noun.artifact)