Narrow street (4)
'narrow street' is the definition.
(a lane is a narrow road)
This is the entire clue.
(Other definitions for lane that I've seen before include "Narrow track or path" , "way" , "Rough path" , "Single line of traffic" , "Byroad" .)
'narrow street' is the definition.
(an alley is a narrow street)
This is all the clue.
(Other definitions for alley that I've seen before include "garden path" , "Passage between houses, perhaps" , "Narrow lane; type of cat" , "Narrow passage" , "Narrow back street" .)