/ Dictionary / Index P pteron: Meaning and Definition of Find definitions for: pte•ron Pronunciation: (ter'on), [key] — n. Archit. (in a classical temple) a colonnade parallel to, but apart from, the cella. the space between this and the cella. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pteroma pteropod Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language