n. A designated limit or point of termination.n. A shortcut or bypass.n. A new channel cut by a river across the neck of an oxbow.n. The act or an instance of cutting off: a cutoff of funds; an electricity cutoff. n. Baseball The interception by an infielder of a throw to home plate from the outfield.n. A device that cuts off a flow of fluid.n. Music A conductor's signal indicating a stop or break in playing or singing.n. Pants, such as blue jeans, made into shorts by cutting off part of the legs.adj. Designating a limit or point of termination: a cutoff date for applications. adj. Baseball Serving to intercept or relay a throw to home plate from the outfield: the cutoff man.