trackball

[ trak-bawl ]

noun

1. a computer input device for controlling the pointer on a display screen by rotating a ball set inside a case.

trackball

/ ˈtrækəˌbɔːl; ˈtrækˌbɔːl /

noun

1. computing a device consisting of a small ball, mounted in a cup, which can be rotated to move the cursor around the screen

Word History and Origins

Origin of trackball¹

First recorded in 1975–1980

Example Sentences

The best trackball mouse requires no wrist movement whatsoever, opting instead to allow users to control the cursor with minute movements of the fingers or thumbs by freely rolling the trackball in its place.

From Popular-Science

Users with arthritis may want to steer clear of trackballs, however, due to the demands they place on finger movement.

From Popular-Science

From a vertical mouse to a trackball mouse and everywhere in between, we’ll break down some of the features of the best ergonomic mice on the market that will benefit any user’s well-being.

From Popular-Science

By entirely eliminating the need for wrist and arm movement on the desktop, the likelihood of developing or exacerbating wrist and arm problems through use of a trackball mouse is very low.

From Popular-Science

A trackball mouse is a great ergonomic alternative to the traditional computer mouseTrackball mouse designs have long been popular alternatives to traditional computer mice thanks to the intrinsic ergonomic benefits of the design.

From Popular-Science