juice reamer vs squeezer

juice reamer and squeezer both are nouns.

Word	Noun	Adjective	Verb	Adverb
juice reamer	Yes	No	No	No
squeezer	Yes	No	No	No

As nouns, squeezer is a hypernym of juice reamer; that is, squeezer is a word with a broader meaning than juice reamer:

juice reamer: a squeezer with a conical ridged center that is used for squeezing juice from citrus fruit
squeezer: a kitchen utensil for squeezing juice from fruit

juice reamer (noun)	squeezer (noun)
a squeezer with a conical ridged center that is used for squeezing juice from citrus fruit	a kitchen utensil for squeezing juice from fruit