Highway divider (4)
'highway divider' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for median that I've seen before include "Passing through the middle of Medina" , "Relating to the middle value" , "statistical quantity" , "Mid point of a distribution of observed values" , "The middle of a series of values" .)
'highway divider' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for lane that I've seen before include "Narrow country road" , "Byway" , "Quiet road" , "Byroad" , "Small road" .)