takeout
n.— «In the Kentucky Derby on Saturday, for example, Churchill Downs will return to bettors at the track about 82 cents of every dollar wagered in the form of winnings. The remaining 18 cents, known as the takeout, will be used to pay for expenses like racing purses, state taxes and track maintenance.» —“Horse Racing’s Biggest Bettors Are Reaping Richest Rewards” by Joe Drape New York Times Apr. 26, 2004. (source: Double-Tongued Dictionary)
Further reading
If you speak a second or third language, you may remember the first time you dreamed in that new tongue. But does this milestone mean you’re actually fluent? And a couple’s dispute over the word regret: Say you wish you’d been able...