Added 9 October 2026 plumularia /ˌpluː.mjʊˈlɛəɹi.ə/ noun Categories: Obscure Words noun ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about plumularia at Wordnik → Where our words come from → A plumed hydroid; any hydrozoan belonging to Plumularia and other genera of the family Plumulariidae, generally growing in plume-like forms. Origin From the genus name. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: plumularianplumulaplumuleplumeplumologyplanulaspumellarianpluteushydrophylliumpleromapolypiarian Back to today's word