The Collaborative International Dictionary
Exuviation
Exuviation \Ex*u`vi*a"tion\, n. (Zo["o]l.) The rejecting or casting off of some part, more particularly, the outer cuticular layer, as the shells of crustaceans, skins of snakes, etc.; molting; ecdysis.
Wiktionary
exuviation
n. 1 The act of exuviate. 2 The exuviated coverings; exuviae.