Webster's 1913 Dictionary
EXUVIAE
Ex *u "vi *æ, n. pl. Etym: [L., fr. exuere to draw out or off, to pull off. ]
1. (Zoöl )
Defn: Cast skins, shells, or coverings of animals; any parts of animals which are shed or cast off, as the skins of snakes, the shells of lobsters, etc.
2. (Geol.)
Defn: The fossil shells and other remains which animals have left in the strata of the earth.
New American Oxford Dictionary
exuviae
ex u vi ae |igˈzo͞ovēˌē, -ī ɪɡˈzuviˌi | ▶plural noun [ also treated as sing. ] Zoology an animal's cast or sloughed skin, esp. that of an insect larva. DERIVATIVES ex u vi al |-vēəl |adjective ORIGIN mid 17th cent.: from Latin, literally ‘animal skins, spoils of the enemy, ’ from exuere ‘divest oneself of. ’
Oxford Dictionary
exuviae
exuviae |ɪgˈzjuːvɪiː, ɛg- | ▶plural noun [ also treated as sing. ] Zoology the cast or sloughed skin of an animal, especially of an insect larva. DERIVATIVES exuvial adjective ORIGIN mid 17th cent.: from Latin, literally ‘animal skins, spoils of the enemy ’, from exuere ‘divest oneself of ’.
The Wordsmith Dictionary