gallus vs plural

gallus and plural both are nouns.

Word	Noun	Adjective	Verb	Adverb
gallus	Yes	No	No	No
plural	Yes	Yes	No	No

gallus (noun)	plural (noun)
elastic straps that hold trousers up	the form of a word that is used to denote more than one

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