King cut grassy meadow (3)
I believe the answer is:
lea
'grassy meadow' is the definition.
(I've seen this in another clue)
'king cut' is the wordplay.
'king' becomes 'lear' (King Lear).
'cut' means to remove the last letter.
'lear' with its final letter removed is 'LEA'.
(Other definitions for lea that I've seen before include "Open country" , "Meadowland" , "Pasture, London river" , "Land growing grass" , "Open area of grassy or arable land" .)