an African wild animal like a dog that hunts in groups or eats the meat of animals that are already dead and makes a sound like a human laugh Topics Animalsc2鬣狗(分布于非洲和亚洲,以动物尸体为食) Word OriginMiddle English: via Latin from Greek huaina, feminine of hus ‘pig’ (the transference of the term probably being because the animal's mane was thought to resemble a hog's bristles).