The Collaborative International Dictionary
Gymnopaedic
Gymnopaedic \Gym`no*p[ae]d"ic\ (j[i^]m`n[-o]*p[e^]d"[i^]k or j[i^]m`n[-o]*p[=e]"d[i^]k), a. [Gr. gymno`s naked + pai^s, paido`s, a child.] (Zo["o]l.) Having young that are naked when hatched; psilop[ae]dic; -- said of certain birds.
Wiktionary
gymnopaedic
a. (context zoology English) Having young that are naked when hatched; psilopaedic.