The most common and most likely answer to this crossword clue is the 9 letter word DAMSELFLY
I've seen this crossword clue in The Guardian
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More clues leading to the result DAMSELFLY
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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 DAMSELFLY mean?
DAMSELFLY noun- Any of various insects of the suborder Zygoptera that have long slender bodies, and are similar to dragonflies but having wings folded when at rest.