/ Dictionary / Index A argus tortoise beetle: Meaning and Definition of Find definitions for: ar'gus tor'toise bee"tle. Pronunciation: [key] See under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Argus-eyed arguta Related Content Daily Word Quiz: alacrity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language