Crossword Genius

Irish in a ship or 747? (8)

Ross

I believe the answer is:

airliner

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

'747?' is the definition.
I can't tell whether this definition defines the answer.

'irish in a ship' is the wordplay.
'irish' becomes 'IR' (abbreviation).
'in' means one lot of letters goes inside another.
'ship' becomes 'liner' (liner is a kind of ship).
'a'+'liner'='aliner'
'ir' going into 'aliner' is 'AIRLINER'.

'or' acts as a link.

Can you help me to learn more?

(Other definitions for airliner that I've seen before include "Passenger plane" , "Passenger craft" , "Commercial plane" , "Eg, Jumbo, Concorde" , "Large aircraft" .)

I've seen this clue in The Sun.
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