Meanings
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1
verb
to screw up the eyes or face, or an arch across an interior corner
He squinched his eyes against the sudden glare of the sun.
Thesaurus
Etymology
As 'screw up the face', an alteration of 'squint' (perhaps blended with 'pinch'). As the architectural term for a corner arch, an altered form of 'scunch' or 'sconce', ultimately from Old French 'esconse' (a hiding place, lantern).