The term 'timbering tool' refers to a tool used in the process of timbering, which is the process of cutting down trees for use in construction and other industries. The most common timbering tool is an AXE, which is a three-letter word. An AXE is a hand tool consisting of a heavy metal head mounted on a handle, and it is used to cut through wood. It is also used to shape and split logs for use in construction and other projects.