Crossword Genius

Choose alien type of fence (6)

Ross

I believe the answer is:

picket

'type of fence' is the definition.

'choose alien' is the wordplay.
'choose' becomes 'pick' (picking is a kind of choosing).
'alien' becomes 'et' (extra terrestrial).
'pick'+'et'='PICKET'

(Other definitions for picket that I've seen before include "Protesting striker" , "Kind of fence or striking workers" , "Strike line; stake" , "Pale" , "Group outside workplace encouraging strike action" .)

I've seen this clue in The Mirror.
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