Merriam-Webster Collegiate Dictionary - squint

 I. adjective  Etymology: Middle English a~  Date: 1579  1. of an eye looking or tending to look obliquely or askance (as with envy or disdain)  2. of the eyes not having the visual axes parallel ; crossed  II. verb  Date: 1599  intransitive verb  1.  a. to have an indirect bearing, reference, or aim  b. to deviate from a true line  2.  a. to look in a ~-eyed manner  b. to be cross-eyed  c. to look or peer with eyes partly closed  transitive verb to cause (an eye) to ~  • ~er noun  • ~ingly adverb  III. noun  Date: circa 1652  1. strabismus  2. an instance of ~ing  3. hagioscope  • ~y adjective