Meaning of the word expatiate in English

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

expatiate

US /ɪkˈspeɪ.ʃi.eɪt/
UK /ɪkˈspeɪ.ʃi.eɪt/

Verb

to speak or write at length or in detail

Example:
The professor could expatiate on the topic for hours.
She loves to expatiate on her travels abroad.