Concentrated on getting a cross put over? (7)
I believe the answer is:
centred
'concentrated' is the definition.
('centre' can be a synonym of 'concentrate')
'getting a cross put over?' is the wordplay.
I cannot quite see how this works, but
'getting' could be 're' (I've seen this in other clues) and 're' is found in the answer.
'cross' could be 't' (shape) and 't' is found within the answer.
This explanation may well be incorrect...
'on' acts as a link.
Can you help me to learn more?
(Other definitions for centred that I've seen before include "half way across?" , "Positioned centrally" , "Moved to the middle" , "Placed in the middle" .)