Collegiate member? (3)

I believe the answer is:

leg

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

'member?' is the definition.
(leg is a kind of member)

'collegiate' is the wordplay.
'LEG' is hidden within the letters.
But, I am not sure how this is indicated.

Can you help me to learn more?

(Other definitions for leg that I've seen before include "part of course" , "Projecting support for chair or table" , "Stage (of race)" , "Gigot" , "Run < on" .)

I've seen this clue in the Evening Standard.

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