The term 'Finger Board' is a type of skateboard that is used for performing tricks. It is also known as an 'EMERY board', which is the crossword solution for the term. The finger board is a miniature version of a skateboard, usually made of wood, and is designed to be held between the thumb and fingers. It is used by skateboarders to practice their tricks in a smaller space, such as indoors or on a flat surface.