Meal causes quarrel at home (6)
I believe the answer is:
tiffin
'meal' is the definition.
(tiffin is a kind of meal)
'quarrel at home' is the wordplay.
'quarrel' becomes 'tiff' (tiff is a kind of quarrel**).
'at home' becomes 'in' ('in' can be similar in meaning to 'at home').
'tiff'+'in'='TIFFIN'
'causes' is the link.
(Other definitions for tiffin that I've seen before include "Light Indian repast" , "Indian midday meal" , "Light midday meal in India" , "Anglo-Indian lunch" , "(Anglo Indian) lunch" .)