mantle-knotn. [compare French nœud de diamants] an ornament in the form of a clasp, composed of a number of precious stones.
ΘΚΠ
the mind > attention and judgement > beautification > types of ornamentation > jewellery > brooch or pin > [noun] > other brooches
breast brooch1625
breastpin1779
mourning pin1822
bosom-brooch1835
witch brooch1871
mantle-knot1896
fáinne1919
1896 Star 3 Oct. 2/4 A splendid collection of diamonds..is to be sold... The collection includes two mantle-knots which belonged to the Empress Eugénie.