billiard parlour vs British spelling

billiard parlour and British spelling both are nouns.

Word	Noun	Adjective	Verb	Adverb
billiard parlour	Yes	No	No	No
British spelling	Yes	No	No	No

billiard parlour (noun)	British spelling (noun)
a room in which billiards is played	English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')