ullage

noun
ul·lage | \ ˈə-lij \

Definition of ullage 

: the amount that a container (such as a tank or cask) lacks of being full

First Known Use of ullage

15th century, in the meaning defined above

History and Etymology for 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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Dictionary Entries near ullage

Ulfilas

-uli

uliginous

ullage

ullaged

ullagone

ulla grass

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The first known use of ullage was in the 15th century

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