/ Dictionary / Index M Melanippus: Meaning and Definition of Find definitions for: Mel•a•nip•pus Pronunciation: (mel"u-nip'us), [key] — n. Class. Myth. a Theban who killed Tydeus in the battle of the Seven against Thebes and who was, in turn, slain by Amphiaraus. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Melanion melanism Related Content Daily Word Quiz: languid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language