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