scuncheon(redirected from scuncheons)
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(Building) the inner part of a door jamb or window frame
[C15: from Old French escoinson, from coin angle]
the reveal of a window or doorway from the frame to the inner face of the wall.
[1325–75; Middle English sconchon, sconcheon < Old French escoinson corner, cut angle, derivative of coin, cuigne angle; see coin]