Baseball An advance to first base that is awarded to a batter who takes four pitches that are balls.(noun)
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.
Use "base on balls" in a sentence
"After an A-Rod base on balls forced Angels Manager Mike Scioscia to remove starter Jared Weaver, Yankees skipper Joe Girardi countered the move by sending Brett Gardner to pinch-run for Teixeira."