Male sibling's revolutionary Italian course (5)

I believe the answer is:

orbit

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

'male sibling's revolutionary italian' is the wordplay.
'male sibling' becomes 'bro' (I've seen this before. I am not sure about the 'male' bit.).
'revolutionary' is a reversal indicator.
'italian' becomes 'it' (abbreviation for Italian).
'bro' written backwards gives 'orb'.
'orb'+'it'='ORBIT'

Can you help me to learn more?

(Other definitions for orbit that I've seen before include "Revolve round" , "Circuit of a planet" , "Stellar path" , "fly in a circle" , "Travel around" .)

I've seen this clue in The Daily Mail.

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