Pot cover (3,4)
'pot cover' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for lid that I've seen before include "Top crust of pie" , "Bottle or jar top" , "Removable cover of a container" , "Cap or top for container" , "Top or cover" .)
'pot cover' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for tea cosy that I've seen before include "It keeps the beverage hot" , "leaves in a hot state in this?" , "Pot cover" , "put on for warmth" , "Knitted item" .)