/ Dictionary / Index H hammer mill: Meaning and Definition of Find definitions for: ham'mer mill" Pronunciation: [key] — Mining. Mining. a mill for breaking up ore or crushing coal. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hammerlock hammer pond Related Content Daily Word Quiz: modify Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language