Drum roll to precede result in this lottery? (7)
I believe the answer is:
tombola
This clue might be a double definition.
'drum' is the first definition.
(I have seen 'Revolving drum ' mean 'tombola' so perhaps 'drum' could also mean 'tombola')
'roll to precede result in this lottery?' is the second definition.
'tombola' can be an answer for 'lottery?' (tombola is a kind of lottery). I am unsure of the remainder of the definition.
Can you help me to learn more?
(Other definitions for tombola that I've seen before include "Fete game" , "Tickets are drawn from a revolving drum in this raffle" , "Lottery with a rotating drum" , "fund-raising event" , "Lottery in which tickets are drawn from a revolving drum" .)