fescue /ˈfɛskjuː/noun 4verb 1forms 3 noun4 •A hardy grass commonly used to border golf fairways in temperate climates, of the genus Festuca. •A straw, wire, stick, etc., used chiefly to point out letters to children when learning to read.to come under the fescue of an imprimatur — 1644 •The style of a sundial. •An instrument for playing on the harp; a plectrum. verb1 •To use a fescue, or teach with a fescue. formsfescued · fescuing · fescues