The meaning of Wingman

noun

A pilot whose aircraft is positioned behind and outside the leading aircraft in a formation.

Usage examples:

As with most combat fighter wings, five wingmen flew in formation behind the lead fighter, usually …

noun

Another term for winger (sense 1).

noun

A pilot whose plane is flying behind and to the side of a plane that is leading a group of planes flying together

Usage examples:

In these kinds of situations it always helps to have a good wingman.