One of those court matchmakers (3)

I believe the answer is:

set

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

'court matchmakers' is the definition.
The definition and answer can be both man-made objects as well as being singular nouns.
Maybe they are linked in a way I don't understand?

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for set that I've seen before include "Put, coagulate" , "Fixed; collection" , "Solidify; group" , "Scenery etc. for a drama" , "Prepared" .)

I've seen this clue in the Evening Standard.

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.