This word is acceptable for play in the UK dictionary that is being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. A watercourse; a gutter; specifically, the furrow between ridges of plowed land to take off the water.

An old spelling of rein.

"My mother, who gave me this troublesome moniker, pronounces it "car rean" in a lovely lilting Austrian accent."