genus Trachelospermum ge·nust·rac·helospermum uncommon noun 1. genus of Asiatic woody vines with milky sap in leaves and stems SynonymsTrachelospermumgenus Trachelospermum Related words Broader terms dicot genus Parts Apocynaceae Part of star jasmine WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.