dine vs dinner

dine is not a noun while dinner is a noun.

Word	Noun	Adjective	Verb	Adverb
dine	No	No	Yes	No
dinner	Yes	No	No	No

dine (noun)	dinner (noun)
	the main meal of the day served in the evening or at midday
	a party of people assembled to have dinner together

dine (verb)	dinner (verb)
have supper; eat dinner
give dinner to; host for dinner