dine in
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dine in
To eat at one's home, as opposed to eating at a restaurant ("dining out"). Neither of us felt like going out, so we dined in tonight.
See also: dine
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
dine in
to eat at home rather than at a restaurant. I think we will dine in tonight. I am tired of dining in. Let's go out.
See also: dine
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.