/ Dictionary / Index A Antietam: Meaning and Definition of Find definitions for: An•tie•tam Pronunciation: (an-tē'tum), [key] — n. a creek flowing from S Pennsylvania through NW Maryland into the Potomac: Civil War battle fought near here at Sharpsburg, Maryland, in 1862. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. antiestablishmentarianism antifebrile Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language