caste

n. one of the four classes into which Hindu society is separated; class, station, social position; status

Caste systems are traditional, hereditary systems of social restriction and social stratification, enforced by law or common practice, based on endogamy, , economic status, race and ethnicity.
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Noun
1. social status or position conferred by a system based on class; "lose caste by doing work beneath one's station"
(hypernym) status, position
2. (Hinduism) a hereditary social class among Hindus; stratified according to ritual purity
(hypernym) class, social class, socio-economic class
(hyponym) jati
(classification) Hinduism, Hindooism
3. a social class separated from others by distinctions of hereditary rank or profession or wealth
(hypernym) class, social class, socio-economic class

v. cast, choose actors (for a play, movie, etc.)

n. caste, class