オナガザル

noun

Old World monkey; cercopithecoid; guenon

Refers to any monkey of the family Cercopithecidae, especially the guenons (genus Cercopithecus). Typically used in zoological contexts.

• 動どう物ぶつ園えんでオナガザルの群むれを見みた。

  I saw a troop of Old World monkeys at the zoo.