Lovely meter maid in a Beatles song (4)
I believe the answer is:
rita
'lovely meter maid in a beatles song' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for rita that I've seen before include "...Hayworth, ...Coolidge, ... ''Educating ...''" , "subject of education" , "Lovely -- , meter maid (Beatles)" , "-- Hayworth, US film actress" , "Educating - - , film" .)