Crossword Genius

Supporter of golf? (3)

Ross

I believe the answer is:

tee

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

This clue could be a double definition.

'supporter' is the first definition.
(a golf tee acts as a support)

'golf?' is the second definition.
Although both the answer and definition are singular nouns, I can't understand how they can define each other.

'of' acts as a link.

Can you help me to learn more?

(Other definitions for tee that I've seen before include "Starting peg" , "Golfing support" , "Mark" , "Golfer's starting point" , "Golfer drives from it" .)

I've seen this clue in The Mirror.
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