Gab sees finch in wagtail nest (7)

I believe the answer is:

chinwag

I'm a little stuck... Click here to teach me more about this clue!

'gab' is the definition.
Both the answer and definition are singular nouns.
Maybe they are linked in a way I don't understand?

'finch in wagtail nest' is the wordplay.
'CHINWAG' is hidden in amongst the letters.
However, I am not sure how the hidden word is indicated.

'sees' is the link.

Can you help me to learn more?

(Other definitions for chinwag that I've seen before include "Informal conversation" , "Chat (slang)" , "Yak" , "Informal chat moving lower jaw" , "Conversation (slang)" .)

I've seen this clue in the Sydney Morning Herald.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.