wine and dine - Phrases/Idioms
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Entertain someone or treat someone to a fine meal, as in The company likes to wine and dine visiting scientists. [Colloquial; mid-1800s]