Female sibling (6)
'female sibling' is the definition.
(sister is a kind of female sibling)
This is the entire clue.
(Other definitions for sister that I've seen before include "of the same origin" , "The nurse in charge" , "Female relation" , "habits' - one who has them" , "Resist about the sibling" .)
'female sibling' is the definition.
(sis is a kind of female sibling)
This is the entire clue.
(Other definitions for sis that I've seen before include "Little sibling" , "Girl" , "Family member (informal)" , "Secret Intelligence Service (abbr.)" , "relative" .)