小こ屋や組ぐみ

noun

roof truss; roof frame

Technical term in architecture and construction for the structural framework supporting a roof.

• この建たて物ものの小こ屋や組ぐみは木もく造ぞうです。

  The roof truss of this building is made of wood.

• 小こ屋や組ぐみの設せっ計けいには専せん門もん的てきな知ち識しきが必ひつ要ようだ。

  Designing a roof frame requires specialized knowledge.