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Noun: Hadrian  hey-dree-un
  1. Roman Emperor who was the adoptive son of Trajan; travelled throughout his empire to strengthen its frontiers and encourage learning and architecture; on a visit to Britain in 122 he ordered the construction of Hadrian's Wall (76-138)
    - Publius Aelius Hadrianus, Adrian

Type of: Emperor of Rome, Roman Emperor

Encyclopedia: Hadrian, Publius AElius