centerline

or cen·ter line

[ sen-ter-lahyn ]

Phonetic (Standard)IPA

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.

First recorded in 1800–10; center + line ¹

The check valves are placed slightly below the centerline of the boiler (fig. 18).

The opposing surface is not flat, but slopes away from the centerline like a boat's bow.

The check valves are placed slightly below the centerline of the boiler (fig. 18).

Daoud climbed a ladder, raised the heavy door, and found himself on a walkway built over the centerline of a roof.

A single leeboard was fitted and secured to the hull with a short piece of line made fast to the centerline of the boat.

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