/ Dictionary / Index L Lower Lakes: Meaning and Definition of Find definitions for: Low'er Lakes' Pronunciation: (lō'ur), [key] (sometimes l.c.)Lakes Erie and Ontario, the southernmost Great Lakes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Lower Klamath Lake lower mast Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language