Definition of "Crossing" :

noun: traveling across

noun: a voyage across a body of water (usually across the Atlantic Ocean)

noun: (genetics) the act of mixing different species or varieties of animals or plants and thus to produce hybrids

noun: a path (often marked) where something (as a street or railroad) can be crossed to get from one side to the other

noun: a junction where one street or road crosses another

noun: a point where two lines (paths or arcs etc.) intersect

noun: a shallow area in a stream that can be forded