Donut-shaped roll (5)
I believe the answer is:
bagel
'donut-shaped roll' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for bagel that I've seen before include "Hard bread roll in shape of ring" , "Jewish baked roll" , "Ring-shaped bread roll" , "Doughnut-shaped bread roll" , "Ring-shaped bread product" .)