1530s, "a marking with a cross," verbal noun from cross (v.). From 1570s as "action of passing across;" 1630s as "place where (a river, a road, etc.) is crossed;" from 1690s as "intersection" (originally of streets). Meaning "action of crossing out by drawing crossed lines through" is from 1650s. Crossing-gate is from 1876.
1. Our reporter spent the night crossing the border from Austria into Slovenia.
2. Today at the crossing there were swarms of tourists taking photographs.
3. His van allegedly struck the two as they were crossing a street.
4. They were crossing from lane to lane, cutting everyone up.