"tribes" in the noun sense
1. tribe, folk
a social division of (usually preliterate) people
2. tribe, federation of tribes
a federation (as of American Indians)
biology) a taxonomic category between a genus and a subfamily
4. kin, kin group, kinship group, kindred, clan, tribe
group of people related by blood or marriage
Source: WordNet® (An amazing lexical database of English)
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