Oss by Sandoval Freestyle Karate | Blog, Karate Glossary, Karate Glossary "O" | 0 comments What Does Oss Mean? Oss oss \’ōs\ noun Definition: This is generally deemed to be a respectful greeting or the understanding of a command given by a sensei. View More Karate Glossary Terms: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Google+ (Opens in new window) Submit a Comment Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Notify me of follow-up comments by email. Notify me of new posts by email.