American English at State - If you have joined our #AmericanEnglish Facebook community to learn English, you are not barking up the wrong tree! Find out the meaning of "to bark up
![Friday the 13th: The Jewish Origin of 'Knock on Wood' | Jewish Federation of Macon and Middle Georgia Friday the 13th: The Jewish Origin of 'Knock on Wood' | Jewish Federation of Macon and Middle Georgia](https://cdn.fedweb.org/fed-116/2/knock%2520on%2520wood.png)
Friday the 13th: The Jewish Origin of 'Knock on Wood' | Jewish Federation of Macon and Middle Georgia
![What does Knock On Wood mean? - Definition of Knock On Wood - Knock On Wood stands for Have not had a misfortune yet. "I have never had an automobile accident, knock What does Knock On Wood mean? - Definition of Knock On Wood - Knock On Wood stands for Have not had a misfortune yet. "I have never had an automobile accident, knock](http://acronymsandslang.com/acronym_image/2687/3262cff5aaef6d10f0a36145a77a9712.jpg)