Scrapes together half of single answer (6)
I believe the answer is:
gleans
'scrapes together half' is the definition.
The answer and definition can be both to do with contact as well as being verbs in their -s form.
Perhaps there's an association between them I don't understand?
'of single answer' is the wordplay.
'of' says the answer is hidden in the clue.
'GLEANS' is hidden in the letters of 'single answer'.
Can you help me to learn more?
(Other definitions for gleans that I've seen before include "Harvests, gathers" , "Picks up (information)" , "Harvests, reaps" , "Angles (anag.)" , "Garners" .)