'Crevasse' definitions:

Definition of 'crevasse'

From: WordNet
noun
A deep fissure

Definition of 'Crevasse'

From: GCIDE
  • Crevasse \Cre`vasse"\ (kr?`v?s"), n. [F. See Crevice.]
  • 1. A deep crevice or fissure, as in embankment; one of the clefts or fissure by which the mass of a glacier is divided. [1913 Webster]
  • 2. A breach in the levee or embankment of a river, caused by the pressure of the water, as on the lower Mississippi. [U.S.] [1913 Webster]