Added 9 October 2026 robinia noun Categories: PlantsObscure Words noun ! Definition from WordNet 3.1, Princeton University. More about robinia at Wordnik → Where our words come from → Deciduous flowering trees and shrubs. Origin From the genus name. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: robinrobbinricinusrhodieroberdrhobrottleraruddockracemulerobertine Back to today's word