This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. Any of various warm-blooded vertebrate animals of the class Mammalia, including humans, characterized by a covering of hair on the skin and, in the female, milk-producing mammary glands for nourishing the young.

n. An animal of the class Mammalia, characterized by being warm-blooded, having hair and feeding milk to its young.

n. A vertebrate with three bones in the inner ear and one in the jaw.

n. One of the Mammalia.

Having breasts or teats; mammiferous.

n. An animal of the class Mammalia.

n. any warm-blooded vertebrate having the skin more or less covered with hair; young are born alive except for the small subclass of monotremes and nourished with milk

"The same sort of thing was true for the term mammal in the beginning."

craniate    vertebrate   

aërial mammals    age of mammals   

mammarial    mammary   

eutherian    placental mammal    eutherian mammal    fossorial mammal    prototherian    female mammal    placental    metatherian    tusker   

mammalian    mammalogy    mammality   

camel    enamel    hamel    hammel    ramel    rammel    shamel    trammel   

lizard    quadruped    dinosaur    rodent    vertebrate    reptile    carnivore    insect    primate    turtle