BINOCULAR
binocular
(adjective) relating to both eyes; “binocular vision”
Source: WordNet® 3.1
Etymology
Adjective
binocular (not comparable)
Using two eyes or viewpoints; especially, using two eyes or viewpoints to ascertain distance.
Noun
binocular (plural binoculars)
attributive form of binoculars
A pair of binoculars.
(dated) Any binocular glass, such as an opera glass, telescope, or microscope.
Source: Wiktionary
Bin*oc"u*lar, a. Etym: [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.
Bin*oc"u*lar, n.
Definition: A binocular glass, whether opera glass, telescope, or
microscope.
Source: Webster’s Unabridged Dictionary 1913 Edition