/ Dictionary / Index P Pilumnus: Meaning and Definition of Find definitions for: Pi•lum•nus Pronunciation: (pi-lum'nus), [key] — n. one of two ancient gods of fertility. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pilum pilus Related Content Daily Word Quiz: hale Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language