Added 10 October 2026 soupfin noun Categories: AnimalsObscure Words noun ! Definition from WordNet 3.1, Princeton University. More about soupfin at Wordnik → Where our words come from → Pacific shark valued for its fins (used by Chinese in soup) and liver (rich in vitamin A). Origin From soup + fin. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: sharksharkfinsharksfinkitefinshark-finsharkershortfinswimfinfinning Back to today's word