The most common and most likely answer to this crossword clue is the 9 letter word GOOSENECK
I've seen this crossword clue in The Guardian
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The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does GOOSENECK mean?
GOOSENECK noun- Anything with a slender curved shape, resembling the neck of a goose, such as the shaft of some lamps.
- The swivel connection on a sailboat located near the bottom of the mast that the boom attaches to. When a sailboat performs a tack or a jibe the gooseneck swings the boom from one side of the boat to the other.