A line on a graph that represents the overall average (mean) operating level of the process.

Staking of the centerline for each hole begins at the rear of the championship tee, follows the center of the fairway, and terminates at the center of the green.

A direct route from the middle of the tee box through the middle of the fairway and onto the middle of the green. Centreline’s and turn points are used to calculate the length of a hole.

A line drawn equidistant from the sides of an object, such as a sink or an appliance.

(n) a line that bisects a plane figure

A pavement marking used to separate traffic traveling in opposite directions.  A centerline need not be at the geometrical center of the pavement. 

A broken centerline indicates that passing is permitted.

A double centerline indicates that passing is prohibited.

A centerline that is both solid and broken indicates that passing is permitted in one direction. 

The dissecting line through the center of an object, such as a sink.

A line running down the middle of the boat bisecting the bow and stern; as in: The beam of the boat lies perpendicular to its centerline.

The imaginary line running from bow to stern along the middle of the boat.

 An imaginary line drawn lengthwise through the center of a vessel.

The middle line of the ship, extending from stem to stern at any level.

1. a vertical line running from bow to stern through the middle of a craft.   2. In a lines plan of a vessel, a vertical line that represents the plane that divides the vessel in half, and from which [..]

The imaginary line running from bow to stern along the middle of the boat.

The line at the half way point between the two back walls.

A straight line that runs through the middle of the bow handle and extends through the center of the limbs to the limb tips.

Line or point of equal division or separation.

 Line or point of equal division or separation.