tɑ:sk n. & v. --n. a piece of work to be done or undertaken. --v.tr. 1 makegreat demands on (a person's powers etc.). 2 assign a task to. øtake to task rebuke, scold. task force (or group) 1 Mil. an armed force organized for a specialoperation. 2 a unit specially organized for a task. [ME f. ONF tasque = OF tasche f. med.L tasca, perh. f. taxa f. L taxare TAX]