Meaning of the word "last night" in English

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

last night

US /ˈlæst naɪt/
UK /ˈlɑːst naɪt/

Phrase

during the night just passed; yesterday evening

Example:
I saw her last night at the party.
What did you do last night?