Definition of poor: lacking financial means or subsistence, used for legal and welfare eligibility contexts. The entry defines poor for legal use: Webster's Encyclopedic Unabridged Dictionary frames it as having little or no money, goods or other means of support, and the Collins English Dictionary describes it as lacking financial or other means of subsistence; the definitions are noted for application in Indian legal reference and welfare eligibility contexts, with citation to a leading jurisprudential source for context.