The most common and most likely answer to this crossword clue is the 6 letter word COWRIE
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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 COWRIE mean?
COWRIE noun- A small gastropod (Monetaria moneta, syn. Cypraea moneta) common in the Indian Ocean; its shell.
- (by extension) Any gastropod of the genus Cypraea; its shell.
- (by extension) Any gastropod of the family Cypraeidae; its shell.