Definitions of binder:

  • noun:   something used to tie or bind
  • noun:   holds loose papers or magazines
  • noun:   a machine that cuts grain and binds it in sheaves
  • noun:   something used to bind separate particles together or facilitate adhesion to a surface
  • name:  A surname (rare: 1 in 25000 families; popularity rank in the U.S.: #3063)