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imperatrix

n. (feminine of imperator English); empress

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Imperatrix
  1. redirect Imperator
Imperatrix (horse)

Imperatrix (foaled 1779) was a British Thoroughbred racehorse. She raced only twice, with her only win coming in the 1782 St. Leger Stakes. She was bred and owned by John Pratt. As a broodmare, Imperatrix produced nine foals.