Three Definitions
vestigial ves·tig·i·al (vě-stĭj'ē-əl, -stĭj'əl)
adj.
Occurring or persisting as a rudimentary or degenerate structure.
fecund fe·cund (fē'kənd, fěk'ənd)
adj.
Capable of producing offspring or vegetation; fertile.
chrysalis chrys·a·lis (krĭs'ə-lĭs)
n.
1. The pupa of certain kinds of insects, especially of moths and butterflies, that is inactive and enclosed in a firm case or cocoon from which the adult eventually emerges.
2. Golden sheath.