Meaning

noun an expert on precious stones and the art of cutting and engraving them

noun a skilled worker who cuts and engraves precious stones

adjective of or relating to precious stones or the art of working with them; - Lord Byron

originThe noun is derived from Middle English lapidari, lapidarie (“person who cuts, polishes, or engraves precious stones; expert in precious stones; treatise on precious stones”) [and other forms], from Old French lapidaire (“gemsmith, lapidary”) (modern French lapidaire), or from its etymon Latin lapidārius (“(adjective) of stones, stony; (noun) stonecutter”), from lapidis (the genitive singular of…

Etymology from Wiktionary, CC BY-SA 3.0