Obs. [perh. a. F. casson ‘shapeless loaf of fine sugar’ (Littré), f. casson case, chest: cf. prec.] ? Sugar in some form.
[1443. in Rogers, Agric. & Prices, 526/3. Cassons 6 lb. at /8.]
1469. Ord. Dk. Clarence, in Househ. Ord. (1790), 103. Item, Cassyns 300 lb. at ii d.
