/ Dictionary / Index M mill-run: Meaning and Definition of Find definitions for: mill-run Pronunciation: (mil'run'), [key] — adj. coming directly from a mill, esp. without having been sorted: mill-run carpets. mill•run Pronunciation: (mil'run"), [key] — n. millrace. a test of the mineral content or quality of a rock or ore consisting of the actual milling of a sample. the mineral obtained by means of this test. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mill-run (Thesaurus) millrind Mills Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language