Lewis Carroll heroine (5)
I believe the answer is:
alice
'lewis carroll heroine' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for alice that I've seen before include "Girl famed for Wonderland adventures" , "Lewis Carroll's immortal girl" , "Girl in literary Wonderland" , "Wonderland girl; --- B. Toklas" , "Lewis Carroll character" .)