/ Dictionary / Index M multiply-connected: Meaning and Definition of Find definitions for: mul•ti•ply-con•nect•ed Pronunciation: (mul'tu-plē ku-nek'tid), [key] — adj. Math. connected but not simply-connected. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. multi-ply multipolar 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