: of, relating to, using, or adapted to the use of both eyes
: a binocular optical instrument
: a handheld optical instrument composed of two telescopes and a focusing device and usually having prisms to increase magnifying ability
: of, relating to, using, or adapted to the use of both eyes
: a binocular optical instrument
: a handheld instrument for seeing at a distance that consists of two telescopes, a focusing device, and usually prisms
: of, relating to, using, or adapted to the use of both eyes
: a binocular optical instrument