Ermine
A Dictionary of Law · William C. Anderson · 1889
A Dictionary of Law
1.
The mustela erminea, Armenian rat; the fur of which is pure white in winter time.
2.
The dignity of judges, whose state robes, lined with the fur of the ermine, are regarded as emblematical of purity.' Whence judicial ermine, for judicial integrity.
See Gown, 3.