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.
EXUVIAL
Ex*u"vi*al, a.
Defn: Of or pertaining to exuviæ. "Exuvial layers." "Exuvial deposits."
EXUVIATE
Ex*u"vi*ate, v. i. [imp. & p. p. Exuviated, p. pr. & vb. n.
Exuviating.] ( Etym: [From Exuviae.] (Zoöl.)
Defn: To shed an old covering or condition preliminary to taking on a
new one; to molt.
There is reason to suppose that very old crayfish do not exuviate
every year. Huxley.
EXUVIATION
Ex*u`vi*a"tion, n. (Zoöl.)
Defn: 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.