Sit dance out for an interval of separation (8)
I believe the answer is:
distance
'separation' is the definition.
(I've seen this in another clue)
'sit dance out' is the wordplay.
'out' is an anagram indicator (out can mean wrong or inaccurate).
'sit'+'dance'='sitdance'
'sitdance' anagrammed gives 'DISTANCE'.
'for an interval of' acts as a link.
I am not very happy about this link. Some or all of it may be part of another bit of the clue.
Can you help me to learn more?
(Other definitions for distance that I've seen before include "league, for example" , "Length of space between one place and another" , "See 3" , "Length between two points" , "A far-off point" .)