noun
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)
• Syn: ↑Hadrian, ↑Publius Aelius Hadrianus
• Instance Hypernyms: ↑Roman Emperor, ↑Emperor of Rome
2. English physiologist who conducted research into the function of neurons; 1st baron of Cambridge (1889-1997)
• Syn: ↑Edgar Douglas Adrian, ↑Baron Adrian
• Instance Hypernyms: ↑physiologist
Useful english dictionary. 2012.