One who dances in a theatrical or operatic ballet. See ballet, 1.(noun)
The Century Dictionary (Public Domain)
Use "ballet-dancer" in a sentence
"To quote a dictum of Simon, what a horse does under compulsion he does blindly, and his performance is no more beautiful than would be that of a ballet-dancer taught by whip and goad."
"And yet in the presence of the man she had this instant begun to hate vehemently, she forced the kind of smile which a ballet-dancer puts on for the public."
"He started with a sort of ballet-dancer run, shivering his feathers out fluffily as he went."