Lines that runs north and south between the points on a globe or map which represent the geographic North and South Poles of the Earth. - Used to measure longitude. - Used to measure the distance east and west of the prime meridian.

Government surveyors' north-south lines that intersect base lines. Land is measured from the intersection of these lines.

an imaginary great circle on the surface of the Earth passing through the poles and any given place and used to measure longitude

imaginary lines used for measuring longitude running north-south from pole to pole

Lines circling the earth from pole to pole which are used to measure distance (longitude) around the globe.

Used in government survey method, lines which form the north-south portion of the grid.

Imaginary north-south lines that intersect base lines to form a starting point for measurement of land.

North-South running imaginary lines that intersect East-West running imaginary Baselines. Used by surveyors in the measurement of land.