cre·vasse
(krĭ-văs′)n.1. A deep fissure, as in a glacier; a chasm.
2. A crack or breach in a dike or levee.
intr. & tr.v. cre·vassed,
cre·vass·ing,
cre·vass·es To develop or cause to develop crevasses.
[French, from Old French crevace, crevice; see crevice.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
crevassed
(krɪˈvæs) adjcontaining deep cracks or fissures
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014