Pliny1 Syllabification: (Plin·y)Pronunciation: /ˈplinē, ˈplīnē/Definition of Pliny (23-79), Roman statesman and scholar; Latin name Gaius Plinius Secundus; known as Pliny the Elder. His Natural History (77) is a vast encyclopedia of the natural and human worlds. He died while observing the eruption of Vesuvius. Pliny in other Oxford dictionaries Definition of Pliny in the British & World English dictionary