I’d gladly give the horses free of charge if I knew they were going to be ridden by boys I know, gentlemen used to thoroughbreds.
He admired the drawling elegance of the wealthy rice and cotton planters, who rode into Savannah from their moss-hung kingdoms, mounted on thoroughbred horses and followed by the carriages of their equally elegant ladies and the wagons of their slaves.
But they knew instinctively, as they knew thoroughbred horses from scrubs, that he was not of their class.
Would I approve of breeding scrub stock to thoroughbreds?
There are no more uses of "thoroughbred" in the book.
Show samples from other sources
A feral hog, some hornets, and a prodigy led me through the woods so that I might stumble upon the first girl I ever kissed riding "TOC like he’s a thoroughbred next to the grave of an Austro-Hungarian Archduke.
John Green -- An Abundance of Katherines
There would be burnished, stick-legged Thoroughbreds, their jockeys in billowing bright silks, careering past.