- 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.c. The emperor penguin.
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 perə-1 in Indo-European roots.
- An emperor is generally addressed as His Imperial Majesty.
- per orem