(baseball) In informal baseball and stickball games, a baserunner who cannot steal a base but can, depending on the rules, advance on a wild pitch, and who usually travels at the rate of the current batter.

plural of base runner

plural of gag runner

plural of kite runner

plural of pinch runner

plural of ridge-runner

plural of river-runner

plural of river runner

plural of rat runner

Third-person singular simple present indicative form of do a runner