noun Date: 15th century one of two corresponding copies of a legal instrument ; duplicate , 2. a thing that fits another perfectly, something that completes ; complement , 3. one remarkably similar to another, one having the same function or characteristics as another
COUNTERPART
Meaning of COUNTERPART in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012