yellow jasmine yel·low·jas·mine uncommon noun 1. poisonous woody evergreen vine of southeastern United States having fragrant yellow funnel-shaped flowers Synonymsyellow jasmineyellow jessamineCarolina jasmineevening trumpet flowerGelsemium sempervirens Related words Broader terms vine Parts Gelsemium WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.