/ Dictionary / Index M multiple drill: Meaning and Definition of Find definitions for: mul'tiple drill' Pronunciation: [key] a drilling machine having a number of vertical spindles for drilling several holes in a piece simultaneously. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. multiple cropping multiple factors Related Content Daily Word Quiz: acerbity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language