ullage

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ullage amount by which a cask or bottle falls short of being full. XV (oylage, ulage). — AN. ulliage = OF. ouillage, œillage, f. (O)F. ouiller, eullier, œiller fill up (a barrel):- Gallo-Rom. *oculāre, f. L. oculus EYE, used in the sense of bung-hole; see -AGE.

ullage

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ullage Liquid left in cask or bottle after some has been removed.