Noun

• S: (n) crossing (traveling across)
• S: (n) ford, crossing (a shallow area in a stream that can be forded)
• S: (n) crossing (a point where two lines (paths or arcs etc.) intersect)
• S: (n) intersection, crossroad, crossway, crossing, carrefour (a junction where one street or road crosses another)
• S: (n) crossing, crosswalk, crossover (a path (often marked) where something (as a street or railroad) can be crossed to get from one side to the other)
• S: (n) hybridization, hybridisation, crossbreeding, crossing, cross, interbreeding, hybridizing ((genetics) the act of mixing different species or varieties of animals or plants and thus to produce hybrids)
• S: (n) crossing (a voyage across a body of water (usually across the Atlantic Ocean))

Verb

• S: (v) traverse, track, cover, cross, pass over, get over, get across, cut through, cut across (travel across or pass over) "The caravan covered almost 100 miles each day"
• S: (v) intersect, cross (meet at a point)
• S: (v) thwart, queer, spoil, scotch, foil, cross, frustrate, baffle, bilk (hinder or prevent (the efforts, plans, or desires) of) "What ultimately frustrated every challenger was Ruth's amazing September surge"; "foil your opponent"
• S: (v) cross (fold so as to resemble a cross) "she crossed her legs"
• S: (v) cross, traverse, span, sweep (to cover or extend over an area or time period) "Rivers traverse the valley floor"; "The parking lot spans 3 acres"; "The novel spans three centuries"
• S: (v) cross (meet and pass) "the trains crossed"
• S: (v) cross (trace a line through or across) "cross your `t'"
• S: (v) crossbreed, cross, hybridize, hybridise, interbreed (breed animals or plants using parents of different races and varieties) "cross a horse and a donkey"; "Mendel tried crossbreeding"; "these species do not interbreed"