nana1
noun /ˈnænə/
/ˈnænə/
(British English also nanna)
(also (British English also)nan, nanny)
(informal)- (used by children, especially as a form of address
) a grandmother儿童用语,尤作称呼 祖母;外婆 词源mid 19th cent.: child's pronunciation of nanny or gran.