- one of an American breed of trotting and pacing horses used chiefly for harness racing.
Origin of Standardbred
- pertaining to a horse of the Standardbred breed.
Origin of standard-bred
First recorded in 1890–95
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a US and Canadian breed of trotting and pacing horse, used esp for harness-racing
C19: so called because they are bred to attain a prescribed standard of speed