The Collaborative International Dictionary
Polymeniscous
Polymeniscous \Pol`y*me*nis"cous\, a. [See Poly-, and Meniscus.] (Zo["o]l.) Having numerous facets; -- said of the compound eyes of insects and crustaceans.
Wiktionary
polymeniscous
a. (context zoology English) Having numerous facets; -- said of the compound eyes of insects and crustaceans.