/ Dictionary / Index A area pellucida: Meaning and Definition of Find definitions for: ar'ea pel•lu'ci•da Pronunciation: (pu-l'si-du), [key] — Embryol. Embryol. the translucent central area of the blastoderm of birds and reptiles within which the embryo develops. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. area opaca area rug Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language