Great feast sounds like it rained on the shore (7)

I believe the answer is:

banquet

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'great feast' is the definition.
'banquet' can be an answer for 'feast' (synonyms). I'm unsure of the 'great' bit.

I don't understand the remainder of the clue.

Can you help me to learn more?

(Other definitions for banquet that I've seen before include "Formal feast" , "A great feast" , "A fancy feast" , "fine mess?" , "Sumptuous feast" .)

I've seen this clue in the Sydney Morning Herald.

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