Definition of "leadoff" []

• An opening play or move. (noun)
• One that leads off. (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.

• "Not even a brief appearance in leadoff spot could help shake slump."
• "Derek Jeter: Doesn't make many adjustments in leadoff spot Mets '"
• "Ortiz hoped for a 'leadoff' walk-off homerBOSTON -- Jonathan Papelbon was not at Fenway Park on Saturday night, even though he could've been the winning pitcher at the conclusion of the Red Sox-Rays suspended game from Friday."