Ullage Definition

ŭlĭj

noun

The amount of liquid within a container that is lost, as by leakage, during shipment or storage.

American Heritage

The amount by which a container, esp. of liquid, falls short of being full.

Webster's New World

In a wine bottle, the empty space between the cork and the top of the wine.

Wiktionary

The topping-up of such a barrel with fresh wine.

Wiktionary

In an industrial setting, the empty space in a tank, such as for fuel.

Wiktionary

Other Word Forms of Ullage

Singular:

ullage

Plural:

ullages

Middle English ulage from Old French ouillage from ouiller to fill up a cask from ouil eye, bunghole from Latin oculus eye okw- in Indo-European roots

From American Heritage Dictionary of the English Language, 5th Edition
From Middle English ulage, from Anglo-Norman ullage, from *ullier (“to fill a partially empty cask"), from Old French oel (“bunghole", literally, "eye"), from Latin oculus (“eye").

From Wiktionary

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