2 entries under this word

Operant

ŏp'er-ant, a.

adjective

a. [Lat. operans, p. pr. of operari. See infra.] Having power to produce an effect; operative. [Obs.] Shak.

Ōp'er-ant, n.

noun

n. One who operates; an operator. [Rare.] Coleridge.