Actress Garbo (5)
I believe the answer is:
greta
'actress garbo' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for greta that I've seen before include "- Garbo, Swedish actress" , "Girl" , "- Garbo, Swed. actress" , "Miss Garbo" , "Female" .)