Webster's Revised Unabridged Dictionary · 1913

Gymnopadic

Gymnopadic (jim`no*ped"ik o jim`no*pē"dik) , adjective

[Greek gymno`s naked + pai^s, paido`s, a child.]

(Zoology) Having young that are naked when hatched; psilopadic; -- said of certain birds.

Also: Gymnopaedic