That labours or works; esp. (a) (of horses and cattle) used for agricultural work; (b) (of persons) performing hard (often unskilled) physical work…

Designating an animal which is put to work, esp. in an agricultural context (as a draught animal, a sheepdog, etc.). Also in figurative contexts.

Of an animal, esp. an ox: used for agricultural work. Cf. wrought, adj. 12. Now rare.

Of an animal: used for agricultural work; = worked, adj. 3. Obsolete. rare.