Clitocybe irina cli·to·cy·beirina uncommon noun 1. an edible agaric with large silky white caps and thick stalks SynonymsClitocybe irinaTricholoma irinumLepista irina Related words Broader terms agaric Parts Clitocybe WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.