Sentence:  Harpa Georgii, or the Harp of George, is a new <WSD>constellation</WSD> introduced on the maps by one of the German astronomers, in honour of the late king of England, George III. 
Meaning of the word marked with <WSD> tags:  Any of the 88 regions of the sky officially recognized by the IAU, including all stars and celestial bodies in the region. (1920s)