Added 9 October 2026 pliny noun Categories: PeopleRare Words noun ! Definition from WordNet 3.1, Princeton University. More about pliny at Wordnik → Where our words come from → Roman writer and nephew of Pliny the Elder; author of books of letters that commented on affairs of the day (62-113). Roman author of an encyclopedic natural history; died while observing the eruption of Vesuvius (23-79). Related Words: fayspliniusencyclopedistnaturalistscholarhistorian Back to today's word