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The white ball that is propelled with the cue in billiards and pool.
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.
(Billiards & Snooker) billiards snooker the ball struck by the cue, as distinguished from the object balls
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
(in billiards or pool) the usu. white ball a player strikes with the cue, as distinguished from the object balls.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
1. White ball struck by the cue and propelled on to an object ball.
2. White ball struck by the cue and propelled onto an object ball.
3. White ball struck by the cue and propeled on to an object ball.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited