/ Dictionary / Index P Perotinus: Meaning and Definition of Find definitions for: Per•o•ti•nus Pronunciation: (per"u-tī'nus, -tē'-), [key] — n. fl. late 12th to early 13th century, French composer. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. peroration Perovo Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language