[ˈɛmp(ə)rə], (Noun)

Definitions:
- a sovereign ruler of an empire
(e.g: he became emperor in 1930)

- an orange and brown North American butterfly with a swift dodging flight, breeding chiefly on hackberries


Phrases:
- the emperor's new clothes

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’