Bee or Em (4)
I believe the answer is:
aunt
'bee or em' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for aunt that I've seen before include "kinswoman" , "Wife of one's uncle" , "Female relation" , "Female relative" , "Charley's ___ , farce staged in London in 1892, revived and adapted ever since" .)