—n. a piece of work to be done or undertaken.
—v.tr.
1 make great demands on (a person's powers etc.).
2 assign a task to.
Phrases and idioms:
take to task rebuke, scold. task force (or group)
1 Mil. an armed force organized for a special operation.
2 a unit specially organized for a task.
Etymology: ME f. ONF tasque = OF tasche f. med.L tasca, perh. f. taxa f. L taxare TAX
Useful english dictionary. 2012.