KILOGRAM Meaning of KILOGRAM in English (also ~me ) (abbrev.: kg ) ■ noun the SI unit of mass, equal to 1,000 grams (approximately 2.205 lb).OriginC18: from Fr. ~me (see kilo- , gram 1 ). Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004