also: センタライン
centerline; centreline
General geometric term: a line that bisects a plane figure.
Please draw the centerline of this figure.
halfway line; center line; mid-court line
Sports term: the line dividing the court or field into two halves, e.g., in soccer, basketball, tennis.
In soccer, the kickoff is taken from the halfway line.
Road marking: the line separating lanes of opposing traffic.
On roads where overtaking is prohibited, the center line is painted yellow.
catcher, second baseman, shortstop, and center fielder (as a group)
Baseball jargon: collectively refers to the four key defensive positions up the middle.
A team with a strong center line (catcher, second base, shortstop, center field) has stable defense.