Crossword Genius

Trade secret in our works (11)

Ross

I believe the answer is:

intercourse

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

'trade' is the definition.
(thesaurus)

I don't understand how the remainder of the clue works.

Can you help me to learn more?

(Another definition for intercourse that I've seen is " Dealings between people".)

I've seen this clue in The Sunday Times and The Times.
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.