Binder

1. n. Anything that binds, as a fillet, cord, rope, or band; a bandage; — esp. the principal piece of timber intended to bind together any building.
2. n. One who binds; as, a binder of sheaves; one whose trade is to bind; as, a binder of books.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.