orchid UK /ˈɔː.kɪd/US /ˈɔɹ.kɪd/noun 2adjective 1forms 1 noun2 •A plant of the orchid family (Orchidaceae), bearing unusually-shaped flowers of beautiful colours. •A light bluish-red, violet-red or purple colour. adjective1 •Having a light purple colour. formsorchids