Webster’s Revised Unabridged Dictionary · 1913 Polymeniscous Pol′y·me·nis′cous (pŏl′ĭ·mē·nĭs′kŭs), a. [See Poly-, and Meniscus.] (Zoöl.) Having numerous facets; — said of the compound eyes of insects and crustaceans. ‹ Polymathy Polymer ›