/ Dictionary / Index P piliferous: Meaning and Definition of Find definitions for: pi•lif•er•ous Pronunciation: (pī-lif'ur-us), [key] — adj. having or producing hair. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pili piliform Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language