Knock on wood Home The Lexicon Knock on wood Thumbnail Phrase or WordKnock on woodDefinitionA superstition used to prevent bad luck.LanguageEnglishTypeFloramorphSubcategoryTrees and BushesGrammatical SubcategorySayings/Similes/Aphorisms/Proverbs Previous itemEasy as falling/rolling off a log Next itemLike a lump on a log
