Sentence:  <WSD>Chicago</WSD> was also a welcome host : there , in 1921 , Prokofieff conducted the world premiere of the Love for Three Oranges , and played the first performance of his Third Piano Concerto . 
Meaning of the word marked with <WSD> tags:  largest city in Illinois; a bustling Great Lakes port that extends 26 miles along the southwestern shoreline of Lake Michigan