/ Dictionary / Index P pilous: Meaning and Definition of Find definitions for: pi•lous Pronunciation: (pī'lus), [key] — adj. pilose. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: pilous (Thesaurus) pilot whale pilpul Related Content Daily Word Quiz: philanthropy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language