A gem that has been polished but not faceted:two big ruby cabochons[as modifier]:a necklace of cabochon rubies...
In the middle of the knot glinted a black cabochon star sapphire and around the winding arms of the metal was a circle encrusted with hundreds of tiny diamonds that shimmered in the light.
Out came cut stones, cabochons, obscure gems, common amethyst, odd colors of garnet, sapphire, and jade.
The example in Plate VIII is activated by pressing the cabochon garnet surmounting the rock crystal dome, under which a nephrite frog climbs a silver-gilt ladder.
Phrases
en cabochon
Origin
Mid 16th century: from French, diminutive of caboche 'head'.