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A ball mounted in a stationary housing and rotated to control a pointer on a computer screen.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˈtrækˌbɔːl) or


(Computer Science) computing a device consisting of a small ball, mounted in a cup, which can be rotated to move the cursor around the screen
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


a computer input device for controlling the pointer on a display screen by rotating a ball set inside a case.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.trackball - an electronic device consisting of a rotatable ball in a housingtrackball - an electronic device consisting of a rotatable ball in a housing; used to position the cursor and move images on a computer screen; "a trackball is essentially an upside-down mouse"
electronic device - a device that accomplishes its purpose electronically
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
kulový ovladač
boule de commande


[ˈtrækbɔːl] N (Comput) → bola f rastreadora, trackball m
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005


track ball [ˈtrækbɔːl] tracker ball [ˈtrækərbɔːl] nboule f de pointage
Collins English/French Electronic Resource. © HarperCollins Publishers 2005
References in periodicals archive ?
The AV450 automatic vision system from Starrett can be preprogrammed for repetitive part inspection or driven manually via a trackball for individual measurements.
Rittal says the Secarex AC 15 cutting centre is an easy and simple-to-use alternative, controlled by a PC with a trackball.
There are three main ways to play with your new pal, using cutting-edge GestureSense Technology (with 10 movement commands), the included Trackball (featuring six different game modes) or through the MiPosaur free app, available on all smartphones.
Once the user clicks this, the first two trackballs are disabled and only the rightmost trackball is active, corresponding to the OFFSET parameter in the colour wheels.
Rotation techniques are broadly categorized into view-based techniques, controller-based techniques, multiple DOF techniques and Virtual trackball techniques.
Kensington Expert Mouse[R] Wireless Trackball - Black (SKU K72359WW; SRP: $99.99)
It comes with a six-mode trackball, which allows you to train and play with your MiPosaur in lots of other ways too.
* The system can also be operated using an analog joystick or a trackball, with the speed of the motor being proportional to the tilt angle of the joystick or the rotational speed of the trackball.
The app can receive information from a head-tracking camera, trackball mouse and mouth stick, which can be used for manipulating a cursor with the mouth.
The new E5024 has a 24-inch, Full-HD 16:9 widescreen helping to show large clear charts, it also features a wireless trackball controller with on-screen keyboard.
This reader, who has a C-5/6 spinal-cord injury like myself, is considering a switch from Windows to Apple, but likes Windows' current ability to "ClickLock" a trackball. With "ClickLock" (Windows OS), you can highlight or drag without holding the mouse or trackball button.
Movable or trackball? Trackball mice sit still while you roll a large track ball with your thumb or fingers; as examples, the Logitech Trackball M570 and the Logitech Trackman Marble are pictured below.