Any of several small,arboreal apes of the genus Hylobates of southeast Asia and the East Indies,having a slender body,long arms,and no tail.

• 长臂猿，一种体小、生活于树林中的长臂猿属类人猿，产自东南亚和东印度群岛的，有瘦长的身躯、长臂且没有尾巴。