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An extinct group of Mammalia found fossil in the Eocene formation. The species are related to the carnivores, ungulates, and rodents. Called also Tillodonta.

Something very inflammable, used for kindling fire from a spark, as scorched linen. German tinder. Same as Amadou. -- Tinder box, a box in which tinder is kept.

A large American Miocene mammal, allied to the rhinoceros, and more nearly to the extinct Brontotherium.

Inflammation of the tonsil; quinsy. [Written also, and more usually, tonsillitis.]

The inflammable wood of certain trees (Amyris balsamifera, A. Floridana, etc.); also, the trees themselves.

To keep in play; to tumble over; as, to spend four years in tossing the rules of grammar. [Obs.] Ascham. To toss off, to drink hastily. -- To toss the cars.See under Oar, n.

A gigantic extinct herbivorous mammal from South America, having teeth bent like a bow. It is the type of the order Toxodonta.

An extinct order of Mammalia found in the South American Tertiary formation. The incisor teeth were long and curved and provided with a persistent pulp. They are supposed to be related both to the rodents and ungulates. Called also Toxodontia.

Inflammation of the trachea, or windpipe.

flaps, at the opening of the right auricle into the right ventricle in the heart of most mammals; -- sometimes called the tricuspid valves, each flap being regarded as a valve.

Same as Trigrammatic.

tsaka] , or Basket of Discipline; Suttapitaka [Pali] , or Basket of Discourses; and Abhidhammapitaka [Pali] , or Basket of Metaphysics.

A theory of the development of mammalian molar teeth. The primitive stage is that of simple cones, as in reptiles. The simple cone then developed a smaller cone in front and another behind. Next, a cingulum was developed, and the three cones became arranged in a triangle, the two smaller cusps having moved to the outer…

The three " liberal" arts, grammar, logic, and rhetoric; -- being a triple way, as it were, to eloquence.

Inflammation of the lining membrane of the middle ear.

Inflammation of the cæcum.

lk is secreted and stored; -- popularly called the bag in cows and other quadrupeds. See Mamma. A lioness, with udders all drawn dry. Shak.

An extensive division of Mammalia including those having claws or nails, as distinguished from the hoofed animals (Ungulata).

An extensive group of mammals including all those that have hoofs. It comprises the Artiodactyla and Perissodactyla.

A very soluble crystalline body which is the chief constituent of the urine in mammals and some other animals. It is also present in small quantity in blood, serous fluids, lymph, the liver, etc.