The most common and most likely answer to this crossword clue is the 6 letter word FURRED
F
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Buddy explains!
The straight part
We know that "ermined" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case ermined = furred.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 FURRED mean?
FURRED verb- To cover with fur or a fur-like coating.
- To become covered with fur or a fur-like coating.
- To level a surface by applying furring to it.
- Having fur.
- Made with fur.
- Coated as if with fur