| Dobbin 1. (n.) An old jaded horse. 2. (n.) Sea gravel mixed with sand. Thesaurus Entries Houyhnhnm, brood mare, charger, colt, courser, critter, entire, entire horse, equine, filly, foal, gelding, horse, mare, mount, nag, prancer, stallion, steed, stud, studhorse, tarpan, top horse, war-horse, wild horse | ![]() |