gulch /ɡʌlt͡ʃ/noun 3verb 2forms 3 noun3 •A ravine-like or deep V-shaped valley, often eroded by flash floods; shallower than a canyon and deeper than a gully. •(no longer used) An act of gulching or gulping. •(no longer used) A glutton.You muddy gulche, darst look me in the face while mine eyes sparkle with revengeful fire? — 1607 verb2 •(no longer used) To swallow greedily; to gulp down. •(no longer used) To fall heavily. formsgulched · gulching · gulches