Tabernaemontana ta·ber·nae·montana uncommon noun 1. evergreen tropical trees and shrubs with milky sap Synonymsgenus Tabernaemontana Related words Word family Tabernaemontana divaricate Broader terms dicot genus Parts Apocynaceae Part of crape jasmine WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.