reaper binder vs binder

reaper binder and binder both are nouns.

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

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

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

reaper binder (noun)	binder (noun)
a machine that cuts grain and binds it in sheaves	something used to tie or bind
	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