资料来源 : Webster's Revised Unabridged Dictionary (1913)

Gymnopaedic \Gym`no*p[ae]d"ic\ ((?), a. [Gr. gymno`s naked + ?,
   ?, a child.] (Zo["o]l.)
   Having young that are naked when hatched; psilop[ae]dic; --
   said of certain birds.