Group of people (5)
(Other definitions for tribe that I've seen before include "Ethnic group" , "Ethnic grouping" , "Social division" , "Extended family group" , "Breed" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">group of people</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for circle that I've seen before include "See 1 down" , "Geometric shape" , "Theatre seating tier" , "Dress -; Magic -" , "Orbit" .)