The most common and most likely answer to this crossword clue is the 8 letter word LARYNXES
I've seen this crossword clue in The Daily Telegraph
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More clues leading to the result LARYNXES
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The cryptic/wordplay part
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Sadly, We don't have an explanation for this specific crossword clue yet.
What does LARYNXES mean?
LARYNXES noun- An organ of the neck of mammals situated just below where the tract of the pharynx splits into the trachea and the oesophagus (or esophagus). It is involved in breath control and protection of the trachea, and, because it houses the vocal cords, sound production.