emperor noun

ADJ. reigning

VERB + EMPEROR crown sb Charlemagne was crowned Emperor on Christmas Day 800 AD.

PREP. under an/the ~ It was under the emperor Justinian that these advances were made. | ~ of the emperor of Japan

PHRASES the reign of an emperor during the reign of the last emperor

You can also check Google Dictionary: emperor (English, 中文解释 ), wordnet sense

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