Our father's wee upon the front of dressing-gown (3)
I believe the answer is:
god
'our father's wee' is the definition.
I can't judge whether this definition defines the answer.
'upon the front of dressing-gown' is the wordplay.
'upon' means one lot of letters go next to another.
'the front' says to take the initial letters.
'gown' becomes 'g' (this might be a standard abbreviation I've not previously seen).
The initial letters of 'of dressing' is 'od'.
'od' after 'g' is 'GOD'.
Can you help me to learn more?
(Other definitions for god that I've seen before include "Worshipped figure" , "Being upstairs" , "Pan perhaps" , "Divinity" , "Mars or Mercury, say" .)