Definition of "crown jewels" [crown jewels]

• The jewelry that accompany the office of rulership in a monarchy. I.e., crown, scepter, signet ring, etc. (noun)
• A prized possession or asset (noun)
• A part of a company sought by another in a hostile takeover (noun)
• The male genitalia (noun)

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• "Meticulous Catherine, who observed every rule ... just as she had stood aside to give Mary precedence ten minutes after Henri IPs death, just so quickly had she demanded that Mary return the crown jewels after Francois II's death."
• "He knew that they were bringing him an authentification of the diamond: the statement of two highly respected New York jewelers that the gem was indeed the legendary Great Mogul and that it would be a remarkable addition to the crown jewels of the Holy Roman emperor, Francis II, king of Bohemia and Hungary, emperor of Austria."