Longman Dictionary English From Longman Dictionary of Contemporary EnglishRelated topics: Plantswormwoodworm‧wood /ˈwɜːmwʊd $ ˈwɜːrm-/ noun [uncountable] HBPa plant with a bitter tasteExamples from the Corpuswormwood• This corrosive, toxic acid indeed turns the rivers to wormwood.Origin wormwood Old English wermod; influenced by worm and wood ldoceonline.com