/ ˌpriːmə ˈdɒnə; NAmE ˈdɑːnə/ noun
1.
the main woman singer in an opera performance or an opera company
2.
( disapproving ) a person who thinks they are very important because they are good at sth, and who behaves badly when they do not get what they want
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WORD ORIGIN
late 18th cent.: Italian , literally first lady .