Crossword Genius

After return call American friend (3)

Ross

I believe the answer is:

bud

'american friend' is the definition.
(US term for friend)

'after return call' is the wordplay.
'after return' says the letters should be written backwards.
'call' becomes 'dub' (dubbing is a kind of calling).
'dub' back-to-front is 'BUD'.

(Other definitions for bud that I've seen before include "Flower yet to open" , "Small pre-flower knob on plant" , "Small knob that will develop into a leaf or flower" , "Friend" , "Small pre-flower knob - nip it" .)

I've seen this clue in The Times.
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