strabismus, squint -- (abnormal alignment of one or both eyes)
squint -- (the act of squinting; looking with the eyes partly closed)
Overview of verb squint
The verb squint has 3 senses
squint, squinch -- (cross one's eyes as if in strabismus; "The children squinted so as to scare each other")
squint -- (be cross-eyed; have a squint or strabismus)
squint -- (partly close one's eyes, as when hit by direct blinding light; "The driver squinted as the sun hit his windshield")
Overview of adj squint
The adj squint has 1 sense
askance, askant, asquint, squint, squint-eyed, squinty, sidelong -- ((used especially of glances) directed to one side with or as if with doubt or suspicion or envy; "her eyes with their misted askance look"- Elizabeth Bowen; "sidelong glances")