Meaning of BINDER in English
noun one who binds; as, a binder of sheaves; one whose trade is to bind; as, a binder of books.
2. binder ·noun anything that binds, as a fillet, cord, rope, or band; a bandage;
·esp. the principal piece of timber intended to bind together any building.
Webster English vocab. Английский словарь Webster. 2012