emperor
Pronunciation: /ˈɛmp(ə)rə/
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Definition of emperor
noun
- 2an orange and brown North American butterfly with a swift dodging flight, breeding chiefly on hackberries.
- Genus Asterocampa, subfamily Apaturinae, family Nymphalidae: several species, in particular the tawny emperor (A. clyton). See also purple emperor
Origin:
Middle English (especially representing the title given to the head of the Roman Empire): from Old French emperere, from Latin imperator 'military commander', from imperare 'to command', from in- 'towards' + parare 'prepare, contrive'