n. (pl. -ies) 1 a the exclusive possession or control of the trade in a commodity or service. b this conferred as a privilege by the State. 2 a a commodity or service that is subject to a monopoly. b a company etc. that possesses a monopoly. 3 (foll. by of, US on) exclusive possession, control, or exercise.
[ L monopolium f. Gk monopolion (as MONO-, poleo sell) ]