/ Dictionary / Index L lake sturgeon: Meaning and Definition of Find definitions for: lake' stur"geon Pronunciation: [key] a sturgeon, Acipenser fulvescens, of the Great Lakes and Mississippi and St. Lawrence rivers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Lake Station Lake Success Related Content Daily Word Quiz: cosmology Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language