gully /ˈɡʌli/noun 7verb 2forms 3 noun7 •A trench, ravine or narrow channel which was worn by water flow, especially on a hillside. •A small valley. •A fielding position on the off side about 30 degrees behind square, between the slips and point; a fielder in such a position •A road drain.A new drainage run and rainwater gullies are to be installed between the station and Oxford Road, with completion planned for December 1. — 2021 •(UK) A drop kerb. •(UK, Scotland) A large knife.With that I made my mind up, took out my gully, opened it with my teeth, and cut one strand after another[…] — 1881 •(UK) A grooved iron rail or tram plate. verb2 •To wear away into a gully or gullies. •(no longer used) To flow noisily. formsgullied · gullying · gullies