Ass/æs/ Definition 1 of 3Pro Tip 1/2Animal Reference Refers to donkeys, known for hard work and stubbornness, not just any animal. The old ass stubbornly refused to move despite the urging. Pro Tip 2/2Cultural Symbol In some cultures, 'ass' symbolizes patience, endurance, and service to others. In the story, the ass is a symbol of the peasant's tireless service.