Hrygile-búc

According to the Old English Dictionary:

es;

hrygile-búc

m. [?] Of ðam æscene ðe is óðre namon hrygilebúc gecleopad. Chart. Th. 439, 26. [Cf. ridgil-back a back having a rise or ridge in the middle, Halliwell's Dict. According to this the word might mean 'having a prominent belly' and refer to the shape of the vessel.] hrygile-buc