1818 in 29 470 But wiser Bill Van Snort the jockey,..Spread his horse-blanket in the manger.
1851 III. 497 Horse blankets of various qualities.
1884 ‘M. Twain’ vi. 47 There was an old horse-blanket nailed against the logs at the far end of the cabin.
1967 S. Beckett 23 He spread a horse blanket on the ground in a corner on the straw.