centerline

American  

[sen-ter-lahyn] / ˈsɛn tərˌlaɪn /

Or center line

noun

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.

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Etymology

Origin of centerline

First recorded in 1800–10; center + line ¹

Example Sentences

In a post, State Patrol spokesperson Rick Johnson wrote that a driver was going east when they crossed the centerline and struck two other vehicles.

From Seattle Times

The crash happened early on May 18 when a pickup crossed the centerline on U.S.

From Seattle Times

An eastbound pickup crossed the centerline about 5:30 a.m.

From Seattle Times

One artist painted a neon orange line across town — and through his own studio — to mark the centerline of the moon’s shadow.

From New York Times

The captain managed to use the nose wheel tiller to keep the plane near the runway centerline until the pedals unstuck.

From Seattle Times