squint

Concise Oxford English Dictionary © 2008 Oxford University Press:
squint/skwɪnt/

▶verb

• 1 look at someone or something with partly closed eyes.

  ■ partly close (one's eyes).

• 2 have a squint affecting one eye.

▶noun

• 1 a permanent deviation in the direction of the gaze of one eye.

• 2 informal a quick or casual look.

• 3 an oblique opening through a wall in a church permitting a view of the altar.

▶adjective chiefly Scottish not straight or level.

– derivatives
squinter noun,
squinty adjective .

– origin C16: shortening of asquint.