n.1. Any of various tailless Old World primates of the superfamily Hominoidea, including the gibbons, orangutans, gorillas, chimpanzees, and humans.
2. Any of various members of this superfamily bearing fur and usually living in the wild, especially orangutans, gorillas, and chimpanzees, in contrast to humans. Not in scientific use.
3. A tailed primate such as a monkey. Not in scientific use.