bilsted bils·ted UK/ˈbɪlstəd/ uncommon noun 1. a North American tree of the genus Liquidambar having prickly spherical fruit clusters and fragrant sap Synonymssweet gumsweet gum treered gumAmerican sweet gumLiquidambar styraciflua Related words Broader terms liquidambar Parts genus Liquidambar Part of sweet gum WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved.