on the phone
Definition of on the phone
1 : using a telephone to talk to someone Can you see who's at the door? I'm on the phone. I was on the phone with my sister until late last night.
2 British : connected to a telephone system How many households aren't on the phone?
Word by Word Definitions
: a speech sound considered as a physical event without regard to its place in the sound system of a language
Seen and Heard
What made you want to look up on the phone? Please tell us where you read or heard it (including the quote, if possible).