binocular

adj

1. (not-comparable)Using two eyes or viewpoints; especially, using two eyes or viewpoints to ascertain distance.

   “a binocular microscope or telescope”

   “Most animals are binocular.”

   “our perception of distance arises from the geometry of binocular vision and our early learning seems based on calculating probabilities.”

noun

1. (attributive, form-of)Attributive form of binoculars.
2. A pair of binoculars.

   “He gazed around until on the lid of a spinet he spotted a promising collection of bottles, gin, whiskey, vermouth and sherry, mixed with violin bows, a flute, a toppling pile of books, six volumes of Grove's Dictionary mingled with paperback thrillers, a guitar without any strings, a pair of binoculars, a meerschaum pipe and a jar half-full of wasps and apricot jam.”

3. (dated)Any binocular glass, such as an opera glass, telescope, or microscope.