A bullock used to pull a cart.
 over went the cart, carrying the shaft bullock with it
 Example sentencesExamples
-  On reaching the river we had nearly lost one of our shaft bullocks.
 -  I cannot afford to lose my shaft bullock.
 -  The heads of the shaft bullocks were often drawn under water by the weight of the wagon.
 -  A harness is absolutely necessary for the shaft bullock.
 -  On the going and returning of the carts, the shaft-bullock is frequently obliged to swim.
 -  He had been advised to relieve the shaft-bullocks when they became exhausted.
 -  The driver was flicking his short whip over the shaft bullock's hindquarters.
 -  There were eighteen drays with shaft bullocks and eight teams yoked to harrows.