Slight rest (4)

I believe the answer is:

lean

This clue is a double definition.

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

'rest' is the second definition.
(I've seen this before)

(Other definitions for lean that I've seen before include "List; thin" , "English film director" , "Unprofitable" , "Spare - list" , "With no fat; slope" .)

I've seen this clue in The Telegraph.

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