0 an animal that has been specially trained to help someone, for example a guide dog (= a dog trained to help a blind person move around safely):
Traveling with your pet or service animal is governed by a large number of regulations and rules.
People with emotional disorders, such as panic attacks, have trained service animals that can sense an attack coming and step in and perform an act that eases it.
The owner had claimed that because its presence helped ease her stress from a heart condition, the pig was a qualified service animal.
Dogs have always earned their keep on farms, working with police officers, and as service animals for the disabled.
