caste
caste \'kast\ n [Pg casta, lit., race, lineage, fr. fem. of casto pure, chaste, fr.] L castus; akin to L care-re to be without, Gk keazein to split, Skt s'asati he cuts to pieces 1: one of the hereditary social classes in Hinduism that restrict the occup ation of their members and their intercourse with the members of other castes 2a: a division of society based upon differences of wealth, inherited rank or privilege, profession, or occupation 2b: the position conferred by caste standing : PRESTIGE 3: a system of rigid social stratification characterized by hereditary stat us, endogamy, and social barriers sanctioned by custom, law, or religion 4: a polymorphic social insect (as the bee) that carries out a particular f unction in the colony
Webster's English Dictionary