Definition of "tribus" [tribus]

• In zoology and botany, a tribe as a classificatory group. (noun)

The Century Dictionary (Public Domain)

• "Certe, aut tria nomina audiens tres Deos esse credidit, et idololatra effectus est; aut in tribus vocabulis trinominem credens Deum, in Sabellii haeresim incurrit; aut edoctus ab Arianis unum esse verum Deum"
• "Emos—by then enjoying the aid and support of the leftist establishment in the D.F. government, who considered them the victims of reactionary forces from the right—announce they will march from the Glorieta de Insurgentes to El Chopo, to demand inclusion and tolerance at the place where inclusion and tolerance among tribus urbanas is supposedly sacred."
• "The idea that poseurs could infect a scene has always been considered a threat to the most serious adherents of the established tribus urbanas in Mexico."