" It was Aileron who saw the light blaze in Arthur's face. The Warrior leaped from his horse down into the road and, at the top of his great voice, cried 'Cavall!'

Bracing his legs, he opened wide his arms and was knocked flying, nonetheless, by the wild leap of the dog. Over and over they rolled, the dog yelping in intoxicated delight, the Warrior mock growling in his chest. . . .
This is' asked Aileron with gentle irony, 'your dog? "

― Guy Gavriel Kay , The Wandering Fire (The Fionavar Tapestry, #2)