'Zebra' crossings are marked with alternate black and white stripes on the road and zigzag lines on both sides. Zebra crossing definition: In Britain , a zebra crossing is a place on the road that is marked with black and white. Zebra crossings are marked with black and white stripes on the road and zigzag lines on either side. What is zebra crossing?what does it indicate? 2. 7 days ago · zebra crossing definition: 1. A zebra crossing is a type of pedestrian crossing used in many places around the world.