Definition of reform. transitive verb. 1a : to put or change into an improved form or conditionb : to amend or improve by change of form or removal of faults or abuses. 2 : to put an end to (an evil) by enforcing or introducing a better method or course of action. 3 : to induce or cause to abandon evil ways reform a drunkard.
The largest horse in recorded history was probably a Shire named Mammoth, who was born in 1848. He stood 21.2 hands (86 inches, 218 cm) high, and his peak weight was estimated at 1,524 kilograms (3,360 lb).
The biggest horses in the world are draft breeds. These horses were bred to pull or carry large loads. Included in the draft breeds are the Shire, Percheron and Clydesdale. Before the use of trucks and tractors, draft horses pulled ploughs, wagons, street cars, barges and other farm implements and conveyances. Smallest Type of Equine. The smallest horses in the world are ponies. There are several breeds specifically developed for their diminutive size. Ponies are hardy, and they tend to be longer lived than their larger brethren.