riding breeches vs plural

riding breeches and plural both are nouns.

Word	Noun	Adjective	Verb	Adverb
riding breeches	Yes	No	No	No
plural	Yes	Yes	No	No

riding breeches (noun)	plural (noun)
(used in the plural) flared trousers ending at the calves; worn with riding boots	the form of a word that is used to denote more than one

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