Definition of dano-norwegian:
(adj) :
Of or pertaining to Denmark and/or Norway, especially referring to the former political entity Denmark-Norway.
(n) :
A koiné language that evolved among the urban elite in Norwegian cities during the later years of Denmark-Norway (1536–1814); as a written language practically identical to Danish with only minor Norwegian influences, as a spoken language more distinct and forming the basis of modern Bokmål.