Learn how to say Dine correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word dine:
we dined at a restaurant
(as noun dining)
a dining area
(dine out) eat dinner in a restaurant.
(dine out on) regularly entertain friends with (a humorous story or interesting fact).
[with object] take (someone) to dinner.
Middle English: from Old French disner, probably from desjëuner ‘to break fast’, from des- (expressing reversal) + jëun ‘fasting’ (from Latin jejunus)