1. In baseball, the area of the field beyond second base and in the middle of the outfield. Primarily heard in US, South Africa. He hit the ball into center field—and right into the glove of the outfielder.

2. In baseball, the position of a player who occupies and defends the center of the field. Primarily heard in US, South Africa. My goal is to be fast enough to play center field next year.

3. A position between extremes or in line with what is generally accepted or understood. Often used with "left of" or "right of" (usually referring to political ideology) to indicate a more biased position. The president has been accused by both political parties of wanting to stay in center field on the issue of tax reform. Once I heard John's liberal ideas, I knew his beliefs were left of center field.