Also called thrift institution.Banking. a savings and loan association, savings bank, or credit union.
3.
Also called sea pink.any alpine and maritime plant belonging to the genus Armeria, of the leadwort family, having pink or white flowers, especially A. maritima, noted for its vigorous growth.
c.1300, "fact or condition of thriving," also "prosperity, savings," from M.E. thriven "to thrive" (see thrive), possibly infl. by O.N. þrift, variant of þrif "prosperity," from þrifask "to thrive." Sense of "habit of saving, economy" first recorded 1550s