1) Catarrhine 2) Leaf monkey 3) Old world monkey 1) Entellus 
long-tailed Indian monkey
general name given to numerous species of Asian monkeys belonging to the subfamily Colobinae. The term is often restricted to nearly two dozen ... [1 related articles]
The langur is any of the Asian and East Indian long-tailed monkeys of the genera Presbytis, Pygathrix, and Simias, of the primate family Cercopithecidae. Langurs are slender primates that weigh from 7 to 18 kg. They have heavy eyebrows and, often, beardlike hairs on their chins; the Pygathrix genus is strikingly coloured. Arboreal animals they live...
[n] - slender long-tailed monkey of Asia
noun slender long-tailed monkey of Asia
Any of various leaf-eating Old World monkeys that live in trees in South Asia. There are about 20 species. Langurs are related to the colobus monkey of Africa. (Genus Presbytis and other related genera.)