[ kɔɪn , kwɔɪn ]
■ noun
1》 an external angle of a wall or building.
2》 Printing a wedge or mechanical device for locking a letterpress forme into a chase.
3》 a wedge for raising the level of a gun barrel or to keep it from rolling.
■ verb
1》 provide with ~s.
2》 Printing lock with a ~.
Derivatives
~ing noun
Origin
ME: var. of coin , used earlier in the sense 'cornerstone' and 'wedge'.