Pŏl'y-scōpe, n.

noun

n. [Fr. polyscope, from Gr. πολυσκόπος, from πολύς, much, many, and σκέπτεσθαι, σκοπεῖν, to look carefully, to view.] (Opt.) A glass which makes a single object appear as many; a multiplying glass. Hutton.