1) Said of animals that have been employed in drawing, that is used as draught animals (OED).
1530 to my cosyng ij oxen last drawne, Felixkirk
1578 Imprimis oxen and stotts Drawne Ł1 9s 0d, Stockeld
1614 Beasse – 8 drawne steers – 8 drawne oxen, Stockeld
1658 Without Doores, 6 oxen that is drawne Łxxx, Barley.