Is there any term for Lunch and Dinner together?

There isn't one specific, universally recognized term for "lunch and dinner together".

However, you could use some creative options like:

Formal:

* Late lunch/early dinner: This emphasizes the combination of the two meals.

* Lunch-dinner: A simple and direct combination of the two words.

* Brunch-dinner: This implies a later meal than lunch, but not as late as a traditional dinner.

Informal:

* Linner: This is a blend of "lunch" and "dinner", and is a fairly common informal term.

* Bruncheon: A combination of "brunch" and "dinner", suggesting a late, hearty meal.

* Dinner-lunch: Another straightforward option, putting emphasis on the dinner aspect.

Ultimately, the best term to use depends on the context and your audience.