manzanitaPronunciation: /ˌmanzəˈniːtə/Definition of manzanita noun an evergreen Californian dwarf shrub related to the bearberry. Genus Arctostaphylos, family Ericaceae: several species Origin: mid 19th century: from Spanish, diminutive of manzana 'apple'manzanita in other Oxford dictionaries Definition of manzanita in the US English dictionary