Noun binder has 4 senses
  1. binder, reaper binder - a machine that cuts grain and binds it in sheaves
    --1 is a kind of harvester, reaper
    Derived forms: verb bind9, verb bind3
  2. binder - something used to bind separate particles together or facilitate adhesion to a surface
    --2 is a kind of
    adhesive material, adhesive
    Derived forms: verb bind1, verb bind7
  3. binder, ring-binder - holds loose papers or magazines
    --3 is a kind of protective covering, protective cover, protection
    Derived form: verb bind8
  4. binder, ligature - something used to tie or bind
    --4 is a kind of ligament
    Derived form: verb bind3