n.
Pronunciation: ' ə -lij
Function: noun
Etymology: Middle English ulage, from Anglo-French ulliage, from *ullier to fill a partially empty cask, from Old French (Picard dialect) oel bungho ̇ le, literally, eye, from Latin oculus eye ― more at EYE
Date: 15th century
: the amount that a container (as a tank or cask) lacks of being full