tribe
tribe \'tri-b\ n [ME, fr. L tribus, a division of the Roman people, tribe]
1a: a social group comprising numerous families, clans, or generations toge
ther with slaves, dependents, or adopted strangers 1b: a political division
of the Roman people orig. representing one of the three primitive tribes
of ancient Rome 1c: PHYLE 2: a group of persons having a common character,
occupation, or interest 3a: a category of taxonomic classification
sometimes equivalent to or ranki ng just below a suborder or ranking below
a subfamily; also : a natural group irrespective of taxonomic rank {the cat
~} {rose ~} 3b: a group of closely related animals or strains within a
breed