Unexpected delight (5)
'unexpected delight' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for treat that I've seen before include "Entertain and pick up the tab" , "Joy" , "Deal with - delightful surprise" , "Entertain at one's own expense" , "Delightful outing; pay for (someone else)" .)
'unexpected delight' is the definition.
(I've seen this in another clue)
This is all the clue.