Found 2 items, similar to hylobates syndactylus.
English → English (WordNet) Definition: Hylobates syndactylus Hylobates syndactylus n : large black gibbon of Sumatra having the 2nd and 3rd toes partially united by a web [syn: siamang, Symphalangus syndactylus ]
English → English (gcide) Definition: Hylobates syndactylus 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]