Cart horses are strong and sturdy horses that are typically used for pulling carts and other heavy loads. There are several synonyms for the word "cart horses," including draft horses, workhorses, and dray horses. These horses have a slow and steady gait, making them ideal for working long hours pulling heavy loads. Other synonyms for cart horses include heavy horses, plow horses, and farm horses, all of which are used primarily for agricultural work. These majestic animals are often highly valued for their strength and resilience and have been a vital part of human transportation and industry for centuries.