The most common and most likely answer to this crossword clue is the 9 letter word SATINETTE
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The straight part
We know that "Silky fabric" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case silky fabric = satinette.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 SATINETTE mean?
SATINETTE noun- A faux satin usually made of synthetic fiber or cotton.
- One of a breed of fancy frilled pigeons allied to the owls and turbits, having a white body, tricolored shoulders, and bluish-black tail with a large white spot on each feather.