Толковый словарь английского языка Oxford English Reference - emperor

n. 1 the sovereign of an empire. 2 a sovereign of higher rank than a king. Phrases and idioms emperor moth a large moth, Saturnia pavonia, of the silk-moth family, with eye-spots on all four wings. emperor penguin the largest known penguin, Aptenodytes forsteri, of the Antarctic. Derivatives emperorship n. Etymology: ME f. OF emperere, empereor f. L imperator -oris f. imperare command