The Collaborative International Dictionary of English v.0.48:
Chrysalis \Chrys"a*lis\, n.; pl. Chrysalides. [L. chrysallis the gold-colored pupa of butterflies, Gr. ?, fr. ? gold. Cf. Aurelia.] (Zool.) The pupa state of certain insects, esp. of butterflies, from which the perfect insect emerges. See Pupa, and Aurelia (a) . [1913 Webster]WordNet (r) 3.0 (2006):
chrysalis n 1: pupa of a moth or butterfly enclosed in a cocoon