craniate, vertebrate - animals having a bony or cartilaginous skeleton with a segmented spinal column and a large brain enclosed in a skull or cranium

Amniota - higher vertebrates (reptiles, birds and mammals) possessing an amnion during development

amnion, amnios, amniotic sac - thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals)

chorion - outermost membranous sac enclosing the embryo in higher vertebrates (reptiles, birds and mammals)

allantois - vascular fetal membrane that develops from the hindgut in embryonic higher vertebrates (reptiles, birds and mammals)

class Mammalia, Mammalia - warm-blooded vertebrates characterized by mammary glands in the female

female mammal - animals that nourish their young with milk

tusker - any mammal with prominent tusks (especially an elephant or wild boar)

prototherian - primitive oviparous mammals found only in Australia and Tasmania and New Guinea

metatherian - primitive pouched mammals found mainly in Australia and the Americas

eutherian, eutherian mammal, placental, placental mammal - mammals having a placenta; all mammals except monotremes and marsupials

pelage, coat - growth of hair or wool or fur covering the body of an animal

fossorial mammal - a burrowing mammal having limbs adapted for digging

pilus, hair - any of the cylindrical filaments characteristically growing from the epidermis of a mammal; "there is a hair in my soup"

biauriculate heart - a heart (as of mammals and birds and reptiles) having two auricles

mount, ride - copulate with; "The bull was riding the cow"

digitigrade - (of mammals) walking on the toes with the posterior part of the foot raised

plantigrade - (of mammals) walking on the whole sole of the foot

estrous - (of lower mammals) showing or in a state of estrus; in heat; "the estrous state"; "the estrous cycle"

anestrous - (of lower mammals) not in a state of estrus; not in heat; "an anestrous bitch"

weaned - freed of dependence on something especially (for mammals) mother's milk; "the just-weaned calf bawled for its mother"