siamang

American  

[see-uh-mang] / ˈsi əˌmæŋ /

noun

1. a large, black gibbon, Hylobates syndactylus, of Sumatra and the Malay Peninsula, having very long arms and the second and third digits partially united by a web of skin: an endangered species.

---

siamang British  

/ ˈsaɪəˌmæŋ /

noun

1. a large black gibbon, Hylobates (or Symphalangus ) syndactylus, of Sumatra and the Malay Peninsula, having a large reddish-brown vocal sac beneath the chin and the second and third toes united

---

Etymology

Origin of siamang

Borrowed into English from Malay around 1815–25

Example Sentences

In contrast, the Y chromosome ranges from 30 million DNA letters in siamang to 68 million letters in Sumatran orangutan.

From Science Daily

There are more than 500 species of primates, including lemurs, lorises, tarsiers, Old and New World monkeys, the "small apes" - gibbons and siamangs - and the "great apes" - orangutans, gorillas, chimpanzees and bonobos.

From Reuters

The 48-year-old western lowland gorilla had the same type of infection that killed a male siamang, a type of gibbon, at the zoo earlier this month.

From Seattle Times

Leggett’s thought is that we must understand the full ecosystem of needs: that a forest cannot be understood or protected by knowing only what a siamang gibbon needs or wants from it.

From New York Times

The gibbon is the only ape native to Asia besides the orangutan, and there are more than a dozen species, including the siamang, the largest.

From New York Times