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n. Plural form of crevasse.

"But it is not wise to visit these glaciers without someone who knows them, for one might easily fall into one of the great fissures in the ice, known as crevasses, especially if lately-fallen snow had hidden the opening of the mighty crack."

crevassed    crevasses    crevassing   

scissure    crack    crevice    fissure    cleft   

crevasse cycle   

cleft    schrund    chimney   

gully    cleft    chasm    fissure    precipice