The Collaborative International Dictionary
Exuvial
Exuvial \Ex*u"vi*al\, a. Of or pertaining to exuvi[ae]. ``Exuvial layers.'' ``Exuvial deposits.''
Douglas Harper's Etymology Dictionary
Wiktionary
exuvial
a. Related to something sloughed off or stripped away.
WordNet
exuvial
adj. of or relating to the cast-off skins or cuticles of various animals