/ Dictionary / Index P patronymic: Meaning and Definition of Find definitions for: pat•ro•nym•ic Pronunciation: (pa"tru-nim'ik), [key] — —n. a patronymic name, as Williamson (son of William) or Macdonald (son of Donald). a family name; surname. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: patronymic (Thesaurus) patronym patroon Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language