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Having two eyes. "Most animals are binocular." Derham.

In a binocular manner.

Twin; paired; -- said of various objects made or formed in pairs, as a binocular opera glass, a pair of gimmal rings, etc.

tween the optic axes of the two eyes when directed to the same point; -- sometimes called binocular parallax. -- Optic axis. (Opt.) (a) A line drawn through the center of the eye perpendicular to its anterior and posterior surfaces. In a normal eye it is in the direction of the optic axis that objects are most distinc…

ce of a body as seen from the earth and sun; as, the annual parallax of a fixed star. -- Binocular parallax, the apparent difference in position of an object as seen separately by one eye, and then by the other, the head remaining unmoved. -- Diurnal, or Geocentric, parallax, the parallax of a body with reference to…