- an optical instrument for use with both eyes, consisting of two small telescopes joined together
Collins Concise English Dictionary © HarperCollins Publishers::
binoculars /bɪˈnɒkjʊləz; baɪ-/ pl n
bin•oc•u•lar /bəˈnɑkyəlɚ, baɪ-/USA pronunciation
n.
adj.
WordReference Random House Unabridged Dictionary of American English © 2026- Opticsbinoculars [plural] an instrument for viewing distant objects, consisting of two small telescopes fitted together side by side.
adj.
- involving both eyes: binocular vision.
bin•oc•u•lar
(bə nok′yə lər, bī-),USA pronunciation n.
adj.
bin•oc′u•lar′i•ty, n.
bin•oc′u•lar•ly, adv.
- OpticsUsually, binoculars. Also called pair′ of binoc′ulars, prism binoculars. an optical device, providing good depth effect, for use with both eyes, consisting of two small telescopes fitted together side by side, each telescope having two prisms between the eyepiece and objective for erecting the image.
adj.
- involving both eyes:binocular vision.
- bin- + ocular 1705–15
bin•oc′u•lar•ly, adv.
'binoculars' also found in these entries (note: many are not synonyms or translations):