Definition of trackball
: a ball that is mounted usually in a computer console so as to be only partially exposed and that is rotated to control the movement of a cursor on a display
First Known Use of trackball
TRACKBALL Defined for English Language Learners
Definition of trackball for English Language Learners
computers : a device which consists of a small ball that you roll with your fingers to control the movement of a pointer on a computer screen
Seen and Heard
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