Crossword Genius

Thick-headed pair, furthermore (3)

Ross

I believe the answer is:

too

I'm a little stuck... Click here to teach me more about this clue!

'furthermore' is the definition.
(I've seen this before)

'thick-headed pair' is the wordplay.
'thick-headed' becomes 't' (this could be a standard abbreviation which I don't know about).
'pair' becomes 'oo' (resembles 00, a pair of ducks in cricket).
't'+'oo'='TOO'

Can you help me to learn more?

(Other definitions for too that I've seen before include "Also; overly" , "Additionally" , "What a pity!" , "As well; in addition" , "On top - also" .)

I've seen this clue in the Evening Standard.
Want a hint initially instead of a full solution? Install my app