/ Dictionary / Index A Alcmaeon: Meaning and Definition of Find definitions for: Alc•mae•on Pronunciation: (alk-mē'un), [key] — n. Class. Myth. a son of Amphiaraus and Eriphyle who commanded the second expedition against Thebes. He killed his mother for sending his father to certain death and was driven mad by the Furies. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ALCM Alcmanic verse Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language