double gold doub·le·gold uncommon noun 1. very tall branching herb with showy much-doubled yellow flower heads Synonymsgolden glowdouble goldhortensiaRudbeckia laciniata hortensia Related words Broader terms cutleaved coneflower Parts Rudbeckia WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
