1. The taxonomic genus to which humans (Homo sapiens) and certain extinct hominids, such as the Neanderthal, belong.

2. One of the two Latin words for "man"; it corresponds to the Greek "anthropos". As with the English word "man", it can refer to humanity as well as the male sex thereof. Oppose "femina"; contrast with "vir".

3. The Ancient Greek root for "same". Used in words such as homophone, homonym, homologous, and homosexual. Oppose "hetero"; contrast with "auto".