/ Dictionary / Index M mag tape: Meaning and Definition of Find definitions for: mag' tape" Pronunciation: (mag), [key] — Computers. Computers. a magnetic tape used for recording data. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Magsaysay maguey Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language