/ Dictionary / Index C cleptobiosis: Meaning and Definition of Find definitions for: clep•to•bi•o•sis Pronunciation: (klep"tō-bī-ō'sis), [key] — pl. -ses an ecological relationship in which members of one species, as of ants, steal food from another. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. clept cleptomania Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language