Crossword Genius

Member's loveless dance (4)

Ross

I believe the answer is:

limb

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

This clue might be a double definition.

'member's' is the first definition.
(limb is a kind of member)

'loveless dance' is the second definition.
Although both the answer and definition are singular nouns, I cannot see how they can define each other.

Can you help me to learn more?

(Other definitions for limb that I've seen before include "Wing, perhaps" , "A supporter" , "Human's extension" , "Branch of a tree (risky to go out on)" , "Part of body or branch of tree" .)

I've seen this clue in The Telegraph.
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