Wiktionary
imperatrix
n. (feminine of imperator English); empress
Wikipedia
Imperatrix
- 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.