The most common and most likely answer to this crossword clue is the 7 letter word CHINWAG
I've seen this crossword clue in The Daily Telegraph
C
H
I
N
W
A
G
More clues leading to the result CHINWAG
- Mate ringing wife, good for gossipy conversation
- Gossip when pal tailed by celebrity’s girlfriend?
- Gossip’s outstanding feature — wit
- . Desperate wife aching for a chat
- Friend entertains wife with good gossip
- Natter in church with popular footballer’s wife?
- Whig can get involved in conversation
- Pal entertaining wife with good talk
- Church with popular comedian giving chat
- Watching broadcast, with no time to chat
Buddy explains!

The straight part
We know that "chat" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case chat = chinwag.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does CHINWAG mean?
CHINWAG noun- An informal conversation, usually about everyday matters; a chat, a gossip.
- To chat, to gossip.