Crossword Genius

A bleater loosely imbibed coffee (9)

Ross

I believe the answer is:

americano

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

'coffee' is the definition.
(type of coffee)

'a bleater loosely imbibed' is the wordplay.
I cannot quite understand how this works, but
'a' could be 'an' and 'an' is present in the answer.
This explanation may well be incorrect...

Can you help me to learn more?

(Other definitions for americano that I've seen before include "Style of coffee" , "Espresso diluted with hot water" , "drink" .)

I've seen this clue in the Sydney Morning Herald.
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