/ Dictionary / Index H Hyattsville: Meaning and Definition of Find definitions for: Hy•atts•ville Pronunciation: (hī'uts-vil"), [key] — n. a city in central Maryland. 12,709. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. HY antigen hybrid Related Content Daily Word Quiz: ounterfeit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language