myrsine family myr·si·ne·family uncommon noun 1. family of Old World tropical trees and shrubs; some in Florida SynonymsMyrsinaceaefamily Myrsinaceaemyrsine family Related words Broader terms dicot family Parts Primulales Part of MyrsineArdisia WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.