胴差(どうざし)とは?【建築用語・土木用語・大工用語】 胴差(どうざし)とは、木造建築において上階と下階の間に入れる水平材のことをいいます。 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