centerline

or cen·ter line

[ sen-ter-lahyn ]

/ ˈsɛn tərˌlaɪn /

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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.

QUIZ

ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?

We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.

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Which of the following words describes “sky blue”?

navy

beryl

azure

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Origin of centerline

First recorded in 1800–10; center + line¹

Words nearby centerline

centerfold, center forward, center halfback, centering, center jump, centerline, center of curvature, center of gravity, center of mass, center of ossification, center of percussion

How to use centerline in a sentence

Officials said an initial investigation found that the woman was driving a Toyota Rav4 and headed north on Fleetwood Drive when she crossed over the centerline and hit the Mack truck head on, police said.
Woman, 83, dies in head-on collision with Mack truck in Prince William County|Dana Hedgpeth|March 4, 2021|Washington Post
The check valves are placed slightly below the centerline of the boiler (fig. 18).
The 'Pioneer': Light Passenger Locomotive of 1851|John H. White
The opposing surface is not flat, but slopes away from the centerline like a boat's bow.
Following the Equator, Complete|Mark Twain (Samuel Clemens)
The check valves are placed slightly below the centerline of the boiler (fig. 18).
Smithsonian Institution - United States National Museum - Bulletin 240|Anonymous

Daoud climbed a ladder, raised the heavy door, and found himself on a walkway built over the centerline of a roof.
The Saracen: Land of the Infidel|Robert Shea
A single leeboard was fitted and secured to the hull with a short piece of line made fast to the centerline of the boat.
The Migrations of an American Boat Type|Howard I. Chapelle