Meaning of self-binder in English:

self-binder

Pronunciation /ˌsɛlfˈbʌɪndə/

noun

US
  • 1A detachable cover for binding loose sheets of paper, issues of a magazine, etc.; a binder.

  • 2 historical A reaping machine which binds the crop into sheaves automatically.

Origin

Mid 19th century; earliest use found in Daily Herald & Gazette (Cleveland, Ohio). From self- + binder.