/ Dictionary / Index B blooming mill: Meaning and Definition of Find definitions for: bloom'ing mill" Pronunciation: [key] — Metalworking. Metalworking. a mill for rolling ingots into blooms. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Bloomingdale blooming oil 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