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(esp formerly) n
1. (Cookery) a large conical mass of hard refined sugar; sugar loaf
2. (Cookery) small cube-shaped lumps of this, the form in which it was often sold
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|Noun||1.||loaf sugar - a large conical loaf of concentrated refined sugar|
loaf - a quantity of food (other than bread) formed in a particular shape; "meat loaf"; "sugar loaf"; "a loaf of cheese"