Ex-ū'vi-æ, n. pl.

n. pl. [Lat., from exuere, to draw out or off, to pull off.] 1. Cast skins, shells, or coverings of animals; any parts of animals which are shed or cast off, as the skins of serpents, the shells of lobsters, &c. 2. (Geol.) The fossil shells and other remains which animals have left in the strata of the earth.