crevasse /kɹəˈvæs/noun 4verb 2forms 3 noun4 •A crack or fissure in a glacier or snowfield; a chasm. •(US) A breach in a canal or river bank. •Any cleft or fissure.I moved my left hand to the small of her back, just above her belt-line and stroked the peach fuzz in her crevasse with my fingers. — 2010 •(figurative) A discontinuity or “gap” between the accounted variables and an observed outcome. verb2 •To form crevasses. •To fissure with crevasses. formscrevassed · crevassing · crevasses