Lavish meal (6)
'lavish meal' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for feast that I've seen before include "Sumptuous meal" , "Eat lavishly" , "Extravagant meal" , "Banquet or religious festival" , "Celebratory meal" .)
(Other definitions for spread that I've seen before include "Distributed over" , "Stew or distribute over an area" , "Sort of betting" , "Special display" , "Unfold - scatter" .)