The most common and most likely answer to this crossword clue is the 6 letter word ROCHET
R
O
C
H
E
T
Buddy explains!

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 ROCHET mean?
ROCHET noun- A white vestment, worn by a bishop, similar to a surplice but with narrower sleeves, extending either to below the knee (in the Catholic church) or to the hem of the cassock in the Anglican church.
- A frock or outer garment worn in the 13th and 14th centuries.
- The red gurnard.