UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈdɪnər/US:USA pronunciation: IPA and respellingUSA pronuncation: IPA/ˈdɪnɚ/ ,USA pronunciation: respelling(dinər)

WordReference Collins English Usage © 2020
dinner - lunch
People usually call their main meal of the day dinner. Some people have this meal in the middle of the day, and others have it in the evening.
We had roast beef and potatoes for dinner.
I haven't had dinner yet.
People who call their evening meal dinner usually refer to a meal eaten in the middle of the day as lunch.
I had soup and a sandwich for lunch.
I'm going out to lunch.
Be careful
You don't usually use ‘a’ with dinner or lunch. Don't say, for example, I haven't had a dinner yet'.
'dinner' also found in these entries:

Report an inappropriate ad.