Go over (5)
'go over' is the definition.
(to cross over)
This is all the clue.
(Other definitions for cross that I've seen before include "Get over - feeling angry" , "Eg, saltire" , "winger's pass" , "Irate" , "Sign - out of temper" .)
'go over' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for span that I've seen before include "Distance between bridge abutments" , "Part of bridge, nine inches" , "Cover" , "Full extent end to end" , "Extend across, bridge" .)