in architecture, denote the corners of bricks or stone walls. The word is particularly used for the stones in the corners of brick buildings. When these stand out beyond the brick-work, their edges being chamfered off, they are called rustic quoins.

QUOTIDIAN, anything which happens every day. Hence, when the paroxysms of an ague recur every day, it is called a quotidian ague.

QUOAD NOC, is a term used in the pleadings and arguments of lawyers; being as much as to say, As to this thing the law is so and so.