Coigne

n.	1.	A quoin. See you yound coigne of the Capitol? yon corner stone? - Shak.
	1.	The practice of quartering one's self as landlord on a tenant; a quartering of one's self on anybody.

Noun	1.	coigne - expandable metal or wooden wedge used by printers to lock up a form within a chase Synonyms: coign, quoin
	2.	coigne - the keystone of an arch Synonyms: coign, quoin

coign, quoin, wedge