Definition of "wingman" []

• A pilot whose plane is positioned behind and outside the leader in a formation of flying aircraft. (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.

• "In this version, for the first time, the mysterious unnamed "wingman" is being mentioned who supposedly was an eye witness to the incident"
• "He expressed his gratitude toward Timberlake, whom he called his "wingman.""
• "Bob White -- Mr. Romney called him his "wingman" -- was a carryover from the candidate's days at Bain Capital."