Breadwinner finally comes in to provide food bowl (6)
I believe the answer is:
crater
'bowl' is the definition.
(thesaurus)
'breadwinner finally comes in to provide food' is the wordplay.
'finally' says to take the final letters.
'comes in to' means one lot of letters goes inside another.
'provide food' becomes 'cater' (I've seen this before).
The last letter of 'breadwinner' is 'r'.
'r' inserted inside 'cater' is 'CRATER'.
(Other definitions for crater that I've seen before include "Hole left by explosion" , "Fissure in the earth's crust" , "Bowl-shaped mouth of volcano" , "Capital of Virginia" , "Geological depression" .)