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definitions

taskbar

[task-bahr]
noun Computers.
  1. a row of buttons on a display screen that are clicked on to start software applications or switch between open applications or active windows.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for task bar

taskbar

noun
  1. a row of selectable buttons and icons typically running along the bottom of a computer screen, displaying information such as the names of running programs
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
task bar in Science

taskbar

[tăsk′bär′]
  1. A row of buttons or graphical controls on a computer screen that represent open programs, among which the user can switch back and forth by clicking on the appropriate one.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.