Meaning of the word whereupon in English

What does whereupon mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

whereupon

US /ˌwer.əˈpɑːn/
UK /ˌweə.rəˈpɒn/

Conjunction

immediately after which:

Example:
I told her she looked fat, whereupon she threw the entire contents of a saucepan at me and burst into tears.