nieve penitente
noun
nie·ve pen·i·ten·te
| \ nēˈāvāˌpenəˈtentā, ˈnyāv-\
plural nieves penitentes\ -vās...tās \
Definition of nieve penitente
: a jagged sometimes curved pinnacle of ice or névé produced by uneven melting of a snowbank or of the surface of a glacier
also
: an assemblage of such pinnacles — compare serac
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