Added 10 October 2026 stormflow noun Categories: Obscure Words noun ! Definition from Wiktionary (CC BY-SA). More about stormflow at Wordnik → Where our words come from → The runoff of surface water from rainfall. Origin From storm + flow. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: subsurfacestreamflowrainflowthroughfallthroughflowunderflowsnowmeltoverwashwashoutbaseflowonfall Back to today's word