定尺(ていじゃく)とは?【建築用語・土木用語・大工用語】 流通している材料の標準サイズのことで、つまり既製寸法のことをいいます。 Please Share This Share this content Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window