A unit of volume, equivalent to eight pints
one-eighth of a U.S. bushel or approximately 4.405 liters for dry goods (a "U.S. dry gallon").
A large quantity (of any liquid).
231 cubic inches or approximately 3.785 liters for liquids (a "U.S. liquid gallon")
exactly 4.54609 liters; an imperial gallon
A unit of length equal to one-thousandth of an inch (25.4 µm).
A thousand, especially a thousand of some currency (dollars, pounds sterling, etc.).
To use the word thou.
To address (a person) using the pronoun thou, especially as an expression of contempt or familiarity.