Adequate to shed a couple of layers to run — it’s a constant zero degrees (7)
I believe the answer is:
equator
'zero degrees' is the definition.
Although both the answer and definition are singular nouns, I don't see how one could define the other.
'adequate to shed a couple of layers to run it's a constant' is the wordplay.
I cannot really understand how this works, but
'to' is within the answer.
'a' is within the answer.
'run' could be 'r' (cricket abbreviation) and 'r' is found in the answer.
'constant' could be 'e' (mathematics: 2.71) and 'e' is found in the answer.
This may be the basis of the clue (or it may be nonsense).
Can you help me to learn more?
(Other definitions for equator that I've seen before include "What map line may represent" , "Line through Brazil, Kenya, Sumatra" , "north-south divide?" , "A torque (anag.)" , "The great circle" .)
