What is the meaning of Cabochon?

A precious stone which has only been polished, not cut into facets.

Douglas Harper (2001–2024) “cabochon”, in Online Etymology Dictionary.

Alternative form of kabosjon

cabochon

cabochon

cul-de-lampe

Small nail with an ornamental head, especially used in furniture

head

silly, unintelligent, clumsy

Source: wiktionary.org