KPIX 5 and KCBS are teaming up to host the CBS Bay Area Spelling Bee, an event to determine the Bay Area representative to the Scripps National Spelling Bee.

On March 15th, finalists from across the Bay Area will be asked to conjure the correct spelling of some of the most obscure words in the English language. We wanted to know, would you be up to the challenge?

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Each day we will provide the definition and origin of a word that ended the national spelling bee to see if you can spot the correct answer among 4 options.

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Today’s word is of French origin and means “a small clamp used to temporarily close an artery during surger.” It was spelled correctly by Danville-native Evan O’Dorney to win the 2007 final. Do you know it?

Scroll below the following image to reveal the correct spelling

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Evan O'Dorney of Danville, Calif., receives a trophy from Kenneth Lowe, President and CEO of the E.W. Scripps Company, after O'Dorney won the 2007 Scripps National Spelling Bee. (Alex Wong/Getty Images)

Evan O’Dorney of Danville, Calif., receives a trophy from Kenneth Lowe, President and CEO of the E.W. Scripps Company, after O’Dorney won the 2007 Scripps National Spelling Bee. (Alex Wong/Getty Images)

The correct spelling of the 2007 winning word is Serrefine.