A birling surface can be referred to as a spinning surface. It can also be called a rotating platform, a turning disk, or a revolving board. The term birling surface is commonly used in log rolling, a sport that involves standing on a floating log and spinning it with your feet. However, in a broader sense, birling surface can be a more generic term for any flat and smooth surface that undergoes rotational movement. It can be used to describe a rotating tire on a car, a lazy susan on a table, or a spinning vinyl record on a turntable. Therefore, other synonyms for birling surface may include rotating surface, spinning disk, or revolving platform.