Including or applying to all categories or members: an across-the-board pay hike; an across-the-board ruling.
Of or being a racing wager whereby equal amounts are bet on the same contestant to win, place, and show.
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.