noun
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
彼の祖父は石大工として城の石垣を積んでいた。
His grandfather worked as a stonemason, building the stone walls of the castle.
noun
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.