noun
any of a genus (Saxifraga) of chiefly perennial plants of the saxifrage family, with small white, yellow, purple, or pinkish flowers, and with leaves massed usually at the base of the plant
adjective
designating a family (Saxifragaceae, order Rosales) of dicotyledonous plants found chiefly in the North Temperate and Arctic zones, including the currants and gooseberries