Definition of hylobatid in US English:

hylobatid

noun

Zoology
  • Any anthropoid ape of the family Hylobatidae, the lesser apes, including gibbons and siamangs and characterized by long arms and hook-like hands which facilitate brachiation; also as adjective.

Origin

1970s; earliest use found in Duane M. Rumbaugh (b. 1929).

Pronunciation

hylobatid

/ˌhʌɪləˈbatɪd/