Easter lily vine eas·ter·li·lyvine uncommon noun 1. evergreen woody twiner with large glossy leaves and showy corymbs of fragrant white trumpet-shaped flowers SynonymsNepal trumpet flowerEaster lily vineBeaumontia grandiflora Related words Broader terms vine Parts Beaumontia WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.