Binocular \Bin*oc"u*lar\, a. [Cf. F. binoculaire. See Binocle.]

1. Having two eyes. ``Most animals are binocular.'' --Derham.

2. Pertaining to both eyes; employing both eyes at once; as, binocular vision.

3. Adapted to the use of both eyes; as, a binocular microscope or telescope. --Brewster.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Binocular \Bin*oc"u*lar\, n. A binocular glass, whether opera glass, telescope, or microscope.

Source: Webster's Revised Unabridged Dictionary (1913)