(transitive) To refuse to accept. / (basketball) To block a shot, especially if it sends the ball off the court. / To refuse a romantic advance.

(computer science) A generalization of the folds on lists known from functional programming to arbitrary abstract data types that can be described as initial algebras.

plural of spoke

(chemistry) an unsaturated aliphatic carboxylic acid, CH₃.CH:CH.CH:CH.COOH, found in Rowan berries, and used as a preservative