From WordNet (r) 3.0 (2006):
squint
adj 1: (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" [syn: askance, askant, asquint, squint,
squint-eyed, squinty, sidelong]
n 1: abnormal alignment of one or both eyes [syn: strabismus,
squint]
2: the act of squinting; looking with the eyes partly closed
v 1: cross one's eyes as if in strabismus; "The children
squinted so as to scare each other" [syn: squint,
squinch]
2: be cross-eyed; have a squint or strabismus
3: partly close one's eyes, as when hit by direct blinding
light; "The driver squinted as the sun hit his windshield"