Interesting definition: "an interpretation of what is not human or personal in terms of human or personal characteristics". Does this apply, however, when describing a physiological state that an animal happens to share with humans? Is describing a cat's experience of hunger as "hunger" an anthropomorphism? What about emotions, such as fear, contentment, anger? I don't think anyone will deny that most mammals, at least, experience these emotions. Why not mirth? Given recent discoveries in animal cognition, maybe the definition of anthropomorphism needs to be revised.