Meaning of the word "in reply" in English

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

in reply

US /ɪn rɪˈplaɪ/
UK /ɪn rɪˈplaɪ/

Phrase

as a response to something said or written

Example:
In reply to your letter, we are pleased to inform you that your application has been successful.
He just nodded in reply.