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.
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.]
© Webster 1913.