/ Dictionary / Index P pennaceous: Meaning and Definition of Find definitions for: pen•na•ceous Pronunciation: (pu-nā'shus), [key] — adj. having the texture of a penna; not downy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. penna pen name Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language