The image is of a globe with lines on it. There are five lines on the inside of the globe but they are not straight lines. The only straight line is the one down the center. The other lines curve with the outside of the circle. All of the lines are vertical.
This Longitude icon is made in Material Design style
developed by Google. This style is based on extremely simplified shapes, thin two-pixel lines, and is optimized for 24x24 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 5,700 icons, all in the same style and quality.