A binocular cup whether opera glass telescope or microscope
- Having two eyes
- concerning both eyes
- Having two-eyes.
- Pertaining to both eyes; using both eyes at a time; because, binocular sight.
- Adapted to the utilization of both eyes; as, a binocular microscope or telescope.
- A binocular cup, whether opera glass, telescope, or microscope.
1. With both eyes, like in binocular vision.2. With two eyepieces, as with a binocular microscope.
1738, "involving both eyes," earlier "having two eyes" (1713), from French binoculaire, from Latin bini "two by two, twofold, two apiece" (see binary) + ocularis "associated with attention," from oculus "eye" (see attention (n.)). The double-tubed telescopic instrument (1871, brief for binocular cup) earlier was called a binocle. Relevant: Binocularity.
(a.) Having two-eyes.
- (a.) regarding both eyes; employing both eyes at a time; as, binocular sight.
- (a.) Adapted into usage of both eyes; as, a binocular microscope or telescope.
- (letter.) A binocular cup, whether opera cup, telescope, or microscope.
Regnault, a paper on binocular vision.