Pot for reheated meat and vegetables (4)
I believe the answer is:
hash
I believe this is a double definition.
'pot' is the first definition.
(hash is a kind of pot)
'reheated meat and vegetables' is the second definition.
(I've seen this before)
'for' is the link.
(Other definitions for hash that I've seen before include "Pot" , "What signifies a number" , "Keypad symbol" , "dish of meat and vegetables" , "Recycled food" .)