Monocular \Mo*noc"u*lar\, a. [L. monoculus; Gr. ? single + L. oculus eye: cf. F. monoculaire.]

1. Having only one eye; with one eye only; as, monocular vision.

2. Adapted to be used with only one eye at a time; as, a monocular microscope.

Source: Webster's Revised Unabridged Dictionary (1913)