Home › Words › M › myofibroblastomamyofibroblastomamyofibroblastoma means A fibroblastoma associated with muscle tissue.Among words judged in Lexicurio's Arena, myofibroblastoma ranks #40,965 of 42,752 for Qualifying.EtymologyFrom myo- + fibroblastoma.nounA fibroblastoma associated with muscle tissueDefinitions & examples from Wiktionary (CC BY-SA 3.0).