/ Dictionary / Index M Memphremagog: Meaning and Definition of Find definitions for: Mem•phre•ma•gog Pronunciation: (mem"frē-mā'gog), [key] a lake on the boundary between the U.S. and Canada, between N Vermont and S Quebec. 30 mi. (48 km) long. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Memphite memsahib Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language