plural vs lion-jaw forceps

plural and lion-jaw forceps both are nouns.

Word	Noun	Adjective	Verb	Adverb
plural	Yes	Yes	No	No
lion-jaw forceps	Yes	No	No	No

plural (noun)	lion-jaw forceps (noun)
the form of a word that is used to denote more than one	a type of forceps with strong, sharp teeth in the jaws, used for holding bone fragments

plural (adjective)	lion-jaw forceps (adjective)
grammatical number category referring to two or more items or units
composed of more than one member, set, or kind