Meaning of the word reverie in English

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

reverie

US /ˈrev.ɚ.i/
UK /ˈrev.ər.i/

Noun

(a state of having) pleasant dream-like thoughts:

Example:
He was lost in reverie until he suddenly heard someone behind him.