How is “wash up” used?

In Tangled (2010), one line is: “Now, wash up for dinner. I'm making hazelnut soup.”

Which movie is “wash up” from?

The clip at the top of this page is from Tangled (2010).

Now, wash up for dinner. I'm making hazelnut soup.

8 作品で登場 · 1 本目

to wash your face and hands; to wash dishes after a meal; to carry sth onto land

イギリス英語 · アメリカ英語 · 25 本の映画に登場

定義：Oxford Advanced Learner's Dictionary 第 9 版