centerline

noun

cen·​ter·​line ˈsen-tər-ˈlīn 

-ˌlīn, 

ˈse-nər-

: a real or imaginary line that is equidistant from the surface or sides of something

Examples of centerline in a Sentence

Recent Examples on the Web

The charges stem from a March 2025 incident that began when another motorist contacted police to report that LaPlaca’s vehicle was swerving across the centerline and nearly striking oncoming vehicles, according to the prosecutor’s office. —Jasmine Baehr, FOXNews.com, 6 Mar. 2026

According to Thurlow, residents often encounter a plethora of traffic safety concerns along the stretch of Route 45 where the development would be built, including drivers crossing the centerline, passing in no-pass zones and driving over the speed limit. —Jenna Ebbers, Kansas City Star, 4 Mar. 2026

The man's pickup truck drifted over the centerline and struck a school bus head-on. —Cathy Kozlowicz, jsonline.com, 5 Feb. 2026

According to investigators, a 50-year-old Tustin, Michigan, man was driving a pickup truck when the vehicle crossed the centerline and collided with an SUV. —Nick Lentz, CBS News, 24 Jan. 2026

Word History

First Known Use

1807, in the meaning defined above

Rhymes for centerline

• acridine
• alkaline
• andesine
• anodyne
• anticline
• arginine
• asinine
• atropine
• benzidine
• borderline
• byzantine
• calamine

Kids Definition

centerline

noun

cen·​ter·​line ˈsen-tər-ˈlīn 

: a real or imaginary line that runs down the middle of something

the centerline of the highway