placode: Meaning and Definition of

plac•ode

Pronunciation: (plak'ōd), [key]
— n. Embryol.
  1. a local thickening of the endoderm in the embryo, that usually constitutes the primordium of a specific structure or organ.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.