A line on a map is a visual representation of a geographical feature, such as a border, STREET, ROAD, isobar, or LATITUDE. The crossword solutions for the term 'line on a map' are 'borde' (5 letters), 'STREET' (6 letters), 'ROAD' (4 letters), 'isobar' (6 letters), and 'LATITUDE' (8 letters). A borde is a boundary line between two countries or regions, while a STREET is a public thoroughfare in a built-up area. A ROAD is a route connecting two places, an isobar is a line on a map connecting points of equal barometric pressure, and LATITUDE is a geographic coordinate that specifies the north-south position of a point on the Earth's surface.