The spelling of the word Gullage is unique and can be confusing at times. It is pronounced as /ˈɡʌlɪdʒ/ and has its roots in Middle English. The word refers to a ditch or channel that is used for drainage purposes. The unusual spelling of Gullage is believed to have originated from the Old French word goulet which means a narrow canal. While the spelling may seem odd, it has been standardized and is used as a recognized term in engineering and construction industries.