langur

Any of various leaf-eating Asian monkeys of the genera Presbytis, Semnopithecus, and Trachypithecus, having a slender body and a long tail.

A native name for several large Indian monkeys of the genus Presbytis, or Semnopithecus, the two best known being the hanuman or entellus, P. entellus, the sacred monkey of India, and the black Nilgiri langur, P. johnii.

Any of the Old World monkeys of the subfamily Colobinae, in the genera Simias, Trachypithecus (lutungs), Presbytis, (surilis), and Semnopithecus, (gray langurs).

slender long-tailed monkey of Asia