ˈ ̷ ̷ˈ ̷ ̷( ̷ ̷) ̷ ̷ noun
: a king who is also ruler of an empire ; specifically : the British monarch in his onetime capacity as emperor of India
the darling of the Saxon king-emperors — F.H.Cramer
the … king-emperor of one fourth of the world — Literary Digest