EDACIOUS Meaning of EDACIOUS in English [ ɪ'deɪʃəs ]■ adjective rare of or given to eating.Derivativesedacity noun OriginC19: from L. edax , edac- (from edere 'eat') + -ious . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004