morning-glory family mor·ningg·lo·ryfamily uncommon noun 1. morning glory; bindweed; sweet potato; plants having trumpet-shaped flowers and a climbing or twining habit SynonymsConvolvulaceaefamily Convolvulaceaemorning-glory family Related words Broader terms dicot family Parts Polemoniales Part of genus ConvolvulusbindweedArgyreiaCalystegiaCuscutagenus DichondraIpomoea WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.