Edentate is a term used to describe animals that lack teeth, such as anteaters, armadillos, and sloths. Anteaters are eight-letter mammals that feed on ants and termites using their long tongues. Armadillos are nine-letter mammals that have a protective armor of bony plates. TOOTHLESS animals, such as armadillos, have a leathery mouth lining that helps them to grind food. Sloths are five-letter mammals that are known for their slow movements and tree-dwelling habits. All of these animals are edentates, meaning they lack teeth.