emperor, n. [OF. empereor, empereour, F. empereur, L. imperator, fr. imperare to command; in in + parare to prepare, order. See Parade, and cf. Imperative, Empress.].

The sovereign or supreme monarch of an empire; -- a title of dignity superior to that of king; as, the emperor of Germany or of Austria; the emperor or Czar of Russia. [1913 Webster]

Emperor goose (Zoöl.), a large and handsome goose (Philacte canagica), found in Alaska. -- Emperor moth (Zoöl.), one of several large and beautiful bombycid moths, with transparent spots on the wings; as the American Cecropia moth (Platysamia cecropia), and the European species (Saturnia pavonia). -- Emperor paper. See under Paper. -- Purple emperor (Zoöl.), a large, strong British butterfly (Apatura iris).

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OXFORD DICTIONARY

emperor, n.
1 the sovereign of an empire.
2 a sovereign of higher rank than a king.

Idiom

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.

Derivative

emperorship n.

Etymology

ME f. OF emperere, empereor f. L imperator -oris f. imperare command

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THESAURUS

emperor

anointed king, chief, chieftain, crowned head, dynast, grand duke, high chief, imperator, king, king-emperor, kinglet, lord paramount, majesty, monarch, overlord, paramount, petty king, potentate, prince, prince consort, royal, royal personage, royalty, ruler, sovereign, suzerain, tetrarch

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ROGET THESAURUS

emperor

Master

N master, padrone, lord, lord paramount, commander, commandant, captain, chief, chieftain, sirdar, sachem, sheik, head, senior, governor, ruler, dictator, leader, boss, cockarouse, sagamore, werowance, lord of the ascendant, cock of the walk, cock of the roost, gray mare, mistress, potentate, liege, liege lord, suzerain, sovereign, monarch, autocrat, despot, tyrant, oligarch, crowned head, emperor, king, anointed king, majesty, imperator, protector, president, stadholder, judge, ceasar, kaiser, czar, tsar, sultan, soldan, grand Turk, caliph, imaum, shah, padishah, sophi, mogul, great mogul, khan, lama, tycoon, mikado, tenno, inca, cazique, voivode, landamman, seyyid, Abuna, cacique, czarowitz, grand seignior, prince, duke, archduke, doge, elector, seignior, marland, margrave, rajah, emir, wali, sheik nizam, nawab, empress, queen, sultana, czarina, princess, infanta, duchess, margravine, czarevna, czarita, maharani, rani, rectrix, regent, viceroy, exarch, palatine, khedive, hospodar, beglerbeg, three-tailed bashaw, pasha, bashaw, bey, beg, dey, scherif, tetrarch, satrap, mandarin, subahdar, nabob, maharajah, burgrave, laird, collector, commissioner, deputy commissioner, woon, the authorities, the powers that be, the government, staff, etat major, aga, official, man in office, person in authority, sircar, sirkar, Sublime Porte, marshal, field marshal, marechal, general, generalissimo, commander in chief, seraskier, hetman, lieutenant general, major general, colonel, lieutenant colonel, major, captain, centurion, skipper, lieutenant, first lieutenant, second lieutenant, sublieutenant, officer, staff officer, aide-de-camp, brigadier, brigade major, adjutant, jemidar, ensign, cornet, cadet, subaltern, noncommissioned officer, warrant officer, sergeant, sergeant major, color sergeant, corporal, corporal major, lance corporal, acting corporal, drum major, captain general, dizdar, knight marshal, naik, pendragon, mayor, mayoralty, prefect, chancellor, archon, provost, magistrate, syndic, alcalde, alcaid, burgomaster, corregidor, seneschal, alderman, councilman, committeeman, councilwoman, warden, constable, portreeve, lord mayor, officer, dewan, fonctionnaire, admiral, admiralty, rear admiral, vice admiral, port admiral, commodore, captain, commander, lieutenant, ensign, skipper, mate, master, officer of the day, OD, navarch, da locum melioribus, der Furst ist der erste Diener seines Staats, the prince is the first servant of his state, lord of thy presence and no land beside.

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