What does "contour line" mean?

A line on a map through points of equal elevation, often height above sea level.

What is a synonym for "contour line"?

Common synonyms include: atlas, cartography, chart, chorography, contour, globe.

noun

noun ·Rare ·Advanced level

Noun

1
A line on a map through points of equal elevation, often height above sea level.
2
a line drawn on a map connecting points of equal height wordnet