/ Dictionary / Index M multiuser system: Meaning and Definition of Find definitions for: mul•ti•us'er sys"tem Pronunciation: (mul"tē-y'zur, mul"tī-), [key] a computer system in which multiple terminals connect to a host computer that handles processing tasks. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. multitudinous multivalent Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language