反そり台だい鉋かんな

noun

wooden plane with a convex base curved in the cutting direction

Specialized woodworking tool; the convex sole allows planing concave surfaces. The term is technical and primarily used in carpentry contexts.

• 反そり台だい鉋かんなは、内うち側がわに湾わん曲きょくした面めんを削けずるのに