to have a squint in the eye

to look or peer with eyes partly closed

squinting at the telephone directory

abnormal alignment of an eye, so that it turns permanently towards or away from the nose, because of an imbalance of the muscles of the eyeball; = strabismus

an oblique opening in an interior wall or column of a church, allowing a view of the altar from a side aisle; = hagioscope

informal a quick glance

Have a squint at this

chiefly Scot crooked; skew

That picture's squint

chiefly archaic said of the eyes: having a squint; squinting