binocularly, binocularity 1. Relating to, used by, or involving both eyes at the same time; such as, binocular vision. 2. Having two eyes arranged to produce stereoscopic vision. An optical device, such as a pair of field glasses or opera glasses, designed for simultaneous use by both eyes and consisting of two small telescopes joined with a sing... Found on http://www.wordinfo.info/words/index/info/view_unit/1444/