adj. (Biol.) derived from a single egg or ovum; -- of twins; as, identical twins are monovular. Contrasted with fraternal. Syn. -- identical. [ WordNet 1.5 ]
a. [ L. monoculus; Gr. mo`nos single + L. oculus eye: cf. F. monoculaire. ] 1. Having only one eye; with one eye only; as, monocular vision. [ 1913 Webster ]
2. Adapted to be used with only one eye at a time; as, a monocular microscope. [ 1913 Webster ]