Carthorse

The blacksmith's forge shone bright on the opposite side of the way, and the proprietor had the hind-leg of a carthorse in his leather-coated lap.

He is not a man of independent fortune, for he works like a carthorse.

Athelstan Arundel walked home[…], foaming and raging. […] He walked the whole way, walking through crowds, and under the noses of dray-horses, carriage-horses, and cart-horses, without taking the least notice of them.