family Polyporaceae fa·mi·ly·polyporaceae uncommon noun 1. fungi that become corky or woody with age, often forming shelflike growths on trees SynonymsPolyporaceaefamily Polyporaceae Related words Broader terms fungus family Parts Aphyllophorales Part of AlbatrellusAlbatrellus dispansusAlbatrellus ovinusNeolentinusNeolentinus ponderosusNigroporusNigroporus vinosusOligoporus WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.