The most common and most likely answer to this crossword clue is the 8 letter word STROBILI
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More clues leading to the result STROBILI
Buddy explains!
The straight part
We know that "spirals" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case spirals = strobili.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 STROBILI mean?
STROBILI noun- A cone-shaped fruiting body in general
- More particularly a more-or-less cone-shaped fruiting body of any of various gymnosperms and vascular sporophytes. According to source and context it might refer to a structure bearing either seeds or spores, that might or might not be seen as an infructescence; usage has varied arbitrarily among authors during the last two centuries.
- A layered reproductive stage in jellyfish, in which the swimming medusa form is produced.