Slight incline (4)

I believe the answer is:

lean

I believe this is a double definition.

'slight' is the first definition.
('lean' can be similar in meaning to 'slight')

'incline' is the second definition.
('lean' can be a synonym of 'incline')

(Other definitions for lean that I've seen before include "Wiry" , "skinny" , "Without excess flesh" , "bank" , "The fatless part of the meat" .)

I've seen this clue in The Guardian and The Telegraph.

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