Crevasse
Pronunciation : Cre`vasse" (kr`vs")
Part of Speech : n.
Etymology : [F. See Crevice.]
Definition : 1. A deep crevice or fissure, as in embankment; one of the clefts or fissure by which the mass of a glacier is divided.
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.]
Source : Webster's Unabridged Dictionary, 1913