binder vs reaper binder

binder and reaper binder both are nouns.

Word	Noun	Adjective	Verb	Adverb
binder	Yes	No	No	No
reaper binder	Yes	No	No	No

As nouns, binder and reaper binder are synonyms defined as:

binder and reaper binder: a machine that cuts grain and binds it in sheaves

binder (noun)	reaper binder (noun)
something used to tie or bind	a machine that cuts grain and binds it in sheaves
holds loose papers or magazines
a machine that cuts grain and binds it in sheaves
something used to bind separate particles together or facilitate adhesion to a surface