6 letters · 7 points in Scrabble
noun the amount that a container (as a wine bottle or tank) lacks of being full
originFrom Middle English ulage, from Anglo-Norman ulliage, from *ullier (“to fill a partially empty cask”), from Old French oel (“bunghole”, literally “eye”), from Latin oculus (“eye”). See French ouillage.
Etymology from Wiktionary, CC BY-SA 3.0