General term for a person who works with stone, cutting, shaping, and building. Often used interchangeably with 石工 (いしく).
See also: 石工
His grandfather worked as a stonemason, building the stone walls of the castle.
master stonemason
Specifically refers to a highly skilled or master stonemason, often with years of experience and expertise. The 大 (dai) prefix implies a higher rank or mastery.
この神社の精巧な石彫刻は、名高い石大工の手によるものだ。
The intricate stone carvings of this shrine are the work of a renowned master stonemason.
Compound of 石 (stone) and 大工 (carpenter, master craftsman). The 大 (dai) prefix elevates the term to denote a master or highly skilled stonemason.