noun.
Any of the hereditary, endogamous social classes or subclasses of traditional Hindu society, stratified according to Hindu ritual purity, especially the Brahman, Kshatriya, Vaisya, and Sudra castes.
noun.
A social class separated from others by distinctions of hereditary rank, profession, or wealth.
noun.
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noun.
A social system or the principle of grading society based on castes.
noun.
The social position or status conferred by a system based on castes.
noun.
A specialized level in a colony of social insects, such as ants, in which the members, such as workers or soldiers, carry out a specific function.