catarrhine

adjective

1. belonging or pertaining to the group Catarrhini, comprising humans, anthropoid apes, and Old World monkeys, having the nostrils close together and opening downward and a nonprehensile, often greatly reduced or vestigial tail.

noun

2. a catarrhine animal.

adjective

1. (of apes and Old World monkeys) having the nostrils set close together and opening to the front of the face
2. Also: leptorrhine (of humans) having a thin or narrow nose

noun

3. an animal or person with this characteristic