Dictionary
ech•o•la•li•a
Pronunciation: (ek"ō-lā'lē-u), [key]—
n.
1. Psychiatry.the uncontrollable and immediate repetition of words spoken by another person.
2. the imitation by a baby of the vocal sounds produced by others, occurring as a natural phase of childhood development.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.