1. adrian(n = noun.person) hadrian, publius aelius hadrianus - 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);
is a kind of emperor of rome, roman emperor
2. adrian(n = noun.person) baron adrian, edgar douglas adrian - English physiologist who conducted research into the function of neurons; 1st baron of Cambridge (1889-1997);
is a kind of physiologist
Pertaining to the Adriatic Sea; as, Adrian billows. [1913 Webster]