gill

Abbreviation, "gi".

1

In British imperial measure, 14th–20th centuries, a unit of capacity, since 1825 = ¼ imperial pint, approximately 142.065 milliliters. Sometimes called a noggin. In the north of England, often = ½ pint.

2

In the United States, a unit of liquid capacity, = ¼ U.S. fluid pint, approximately 118.294 milliliters. The word “gill” is now almost never used in the United States; this quantity is referred to as a “half cup.”