'Siamang' definitions:

Definition of 'siamang'

From: WordNet
noun
Large black gibbon of Sumatra having the 2nd and 3rd toes partially united by a web [syn: siamang, Hylobates syndactylus, Symphalangus syndactylus]

Definition of 'Siamang'

From: GCIDE
  • Siamang \Si"a*mang`\, n. [Malay si[=a]mang.] (Zool.) A gibbon (Hylobates syndactylus), native of Sumatra. It has the second and third toes partially united by a web. [1913 Webster]