First Known Use: 15th century
Dictionary
ullage
noun ul·lage \ˈə-lij\
Definition of ULLAGE
: the amount that a container (as a tank or cask) lacks of being full
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Origin of ULLAGE
Middle English ulage, from Anglo-French ulliage, from *ullier to fill a partially empty cask, from Old French (Picard dialect) oel bunghȯle, literally, eye, from Latin oculus eye — more at eye
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