1. A measure of capacity, usually for liquids, containing four quarts.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• zillon,
• gallent,
• gallans,
• baloon,
• kallen,
• galroe,
• collon,
• galloons,
• galons,
• ballone,
• salloon,
• galor,
• galean,
• falloon,
• galop,
• gallong,
• galoor,
• gollon,
• gallens,
• gallor

• gallop,
• gallen,
• Galyen,
• galeano,
• galiano,
• Galina,
• Gillon,
• gallina,
• galen,
• galleon,
• galan,
• galena,
• galium,
• galyon,
• Galyean,
• gallion,
• galliano,
• Gallian,
• gaulin,
• Galeana,
• gallien,
• Gaylene.

The adjective form of the word "gallon" is "gallonic".

The plural of the "gallon" can be the "gallons".

The singular of the "gallon" can be the "gallon".