ciderpress vs mechanical press

ciderpress and mechanical press both are nouns.

Word	Noun	Adjective	Verb	Adverb
ciderpress	Yes	No	No	No
mechanical press	Yes	No	No	No

As nouns, mechanical press is a hypernym of ciderpress; that is, mechanical press is a word with a broader meaning than ciderpress:

ciderpress: a press that is used to extract the juice from apples
mechanical press: any machine that exerts pressure to form or shape or cut materials or extract liquids or compress solids

Other hypernyms of ciderpress include press.

ciderpress (noun)	mechanical press (noun)
a press that is used to extract the juice from apples	any machine that exerts pressure to form or shape or cut materials or extract liquids or compress solids