Home › Words › R › rattlerootrattlerootrattleroot means synonym of rattleweed (“Actaea racemosa”).Among words judged in Lexicurio's Arena, rattleroot ranks #15,342 of 42,752 for Qualifying.EtymologyFrom rattle + root.nounSynonym of rattleweed (“Actaea racemosa”)Definitions & examples from Wiktionary (CC BY-SA 3.0).