Definition - What does SpaceMouse mean?
Techopedia explains SpaceMouse
The basic controls of the SpaceMouse enable certain kinds of movement and manipulations. A simple twist left and right, or push up and down, will correspond to the given direction on the screen. A zoom feature and a tilt feature are also included. When a three-dimensional mouse such as the SpaceMouse is supported, it can make it a lot easier for users to access and manipulate different kinds of three-dimensional programming on their computing devices.