/ Dictionary / Index P pileous: Meaning and Definition of Find definitions for: pi•le•ous Pronunciation: (pī'lē-us, pil'ē-), [key] — adj. hairy or furry. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pileolated warbler pileum Related Content Daily Word Quiz: bungled Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language