From Longman Dictionary of Contemporary Englishshire horseˈshire horse noun [countable] HBAa type of large powerful horse used for pulling large loads
Examples from the Corpus
shire horse• There is also a shire horse souvenir shop.• Well, if I did, I'd need to sell old Blazer and buy a shire horse to carry me!• A farmer is using a shire horse to pull the millstone which crushes the fruit. 