tribe tribe /ˈtraɪb/

noun

1. Group of people related by blood or marriage  ( kin , kin group , kindred , clan , kinship group , tribe )
   group of people related by blood or marriage
   
2. (biology) a taxonomic category between a genus and a subfamily  ( tribe )
   (biology) a taxonomic category between a genus and a subfamily
   
3. A federation (as of American Indians)  ( federation of tribes , tribe )
   a federation (as of American Indians)
   
4. A social division of (usually preliterate) people  ( tribe , folk )
   a social division of (usually preliterate) people