/sen"teuhr luyn'/ , n.
1. any line that bisects a plane figure: the centerline of a building plan.
2. a line along the center of a road or highway dividing it into separate sections for traffic moving in opposite directions.
3. Radio. the perpendicular bisector of the line connecting two radio transmitters.
Also, center line .
[ 1800-10; CENTER + LINE 1 ]