- the supreme ruler of an empire
- any of various butterflies (family Nymphalidae) and moths (family Saturniidae)
Origin of emperorMiddle English emperour ; from Old French empereor, ruler (of the Holy Roman Empire) ; from Classical Latin imperator, commander in chief ; from past participle of imperare, to command ; from in-, in + parare, to set in order, prepare
- The male ruler of an empire.
- a. The emperor butterfly.b. The emperor moth.
Origin of emperorMiddle English emperour, from Old French empereor, from Latin imperātor, from imperāre, to command : in-, in; see en–1 + parāre, to prepare; see per&schwa;-1 in Indo-European roots.
- An emperor is generally addressed as His Imperial Majesty.
- per orem