The term 'crosses over' can be summarized by two crossword solutions: 'spans' and 'TRAVERSES'. 'Spans' is a five-letter word that means to extend across or over something, while 'TRAVERSES' is a nine-letter word that means to pass or move across or through something. Both words refer to the act of crossing over something, which can be used to describe a variety of situations. For example, one might cross over a bridge, a river, or a street. Additionally, the term can also be used metaphorically to describe a situation in which one moves from one state or condition to another.