Sets of two pieces of fruit, so to speak (5)

I believe the answer is:

pairs

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

'sets' is the definition.
(pair is a kind of set)

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

(Other definitions for pairs that I've seen before include "Duos" , "golfing matches" , "Couples" .)

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.