ALL meanings of trackball
track·ball
T t - noun trackball a computer input device for controlling the pointer on a display screen by rotating a ball set inside a case. 1
- noun trackball computing: spherical control device 1
- countable noun trackball A trackball is a ball on some computers that you turn in order to move the cursor. 0
- noun trackball a device consisting of a small ball, mounted in a cup, which can be rotated to move the cursor around the screen 0
- noun trackball a device built into or connected to a computer, containing a ball that can be freely rotated by hand in any direction so as to move or position the cursor 0