quoin
nounDefinition of quoin
(Entry 1 of 2)
1a
: a solid exterior angle (as of a building)
b
: one of the members (such as a block) forming a quoin and usually differentiated from the adjoining walls by material, texture, color, size, or projection
2
: the keystone or a voussoir of an arch
3
: a wooden or expandable metal block used by printers to lock up a form within a chase
quoin
verb
quoined;
quoining;
quoins
Definition of quoin (Entry 2 of 2)
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