Indris \In"dris\, Indri \In"dri\, n. (Zo["o]l.) Any lemurine animal of the genus {Indris}. Note: Several species are known, all of them natives of Madagascar, as the diadem indris ({I. diadema}), which has a white ruff around the forehead; the woolly indris ({I. laniger}); and the short-tailed or black indris ({I. brevicaudatus}), which is black, varied with gray.