centerline

American

[sen-ter-lahyn] / ˈsɛn tərˌlaɪn /

Or center line

noun

any line that bisects a plane figure.

the centerline of a building plan.
a line along the center of a road or highway dividing it into separate sections for traffic moving in opposite directions.
Radio. the perpendicular bisector of the line connecting two radio transmitters.

Etymology

Origin of centerline

First recorded in 1800–10; center + line ¹

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

centerline

Images collected by the European Space Agency's Sentinel-1 mission showed clear signs of deterioration along the centerline of the ice tongue on August 3.

From Science Daily ● Aug. 26, 2026

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

From Seattle Times ● May 23, 2024

Mr. Bowman was driving had crossed the centerline of a road.

From New York Times ● Aug. 3, 2023

Shifting into fifth gear, I straddled the centerline to correct the bevel toward the borrow pit and accelerated into triple digits.

From Salon ● Oct. 22, 2022

As it grew, so did my confidence, for my computer told me they were precisely on centerline as they overtook me.

From "Flying to the Moon: An Astronaut's Story" by Michael Collins

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023