A cultivated (not necessarily botanical) variety of a plant species or hybrid of two species.
A hierarchal rank between family and genus.
An ethnic group larger than a band or clan (and which may contain clans) but smaller than a nation (and which in turn may be contained within a nation). The tribe is often the basis of ethnic identity.
A socially cohesive group of people within a society
A family of animals descended from some particular female progenitor, through the female line.
A tribal nation or people.
The collective noun for various animals.
A group of apes who live and work together.
A nation or people in an area considered culturally primitive, such as Africa, Australia or Native America.
To distribute into tribes or classes; to categorize.