hunting and gathering society

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Societies that rely primarily or exclusively on hunting wild animals, fishing, and gathering wild fruits, berries, nuts, and vegetables to support their diet. Until humans began to domesticate plants and animals about ten thousand years ago, all human societies were hunter-gatherers. Today, only a tiny fraction of the world's populations support themselves in this manner, and they survive only in isolated, inhospitable areas, such as deserts, the frozen tundra, and dense rain forests. Given the close relationship between hunter-gatherers and their natural environment, hunting and gathering tribes such as the Bushmen and the Pygmies may provide valuable information for anthropologists seeking to understand the development of human social structures.

The noun has one meaning:

Meaning #1: group that supports itself by hunting and fishing and be gathering wild fruits and vegetables; usually nomadic
  Synonym: hunting and gathering tribe