Sunbathe (4)
'sunbathe' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for bask that I've seen before include "Soak up sun" , "Lie in sunshine" , "Sunbathe" , "Lie in warmth" , "Sun oneself (like a kind of shark?)" .)
'sunbathe' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for tan that I've seen before include "Brown colour acquired from sun" , "Curry" , "Nice brown induced by sun" , "Yellowish-brown colour" , "Sun-baked colour" .)