开榫的英文：
tenoning

Driving tenons and sockets for parallel shank tools-- Dimensions and tolerances
直柄工具用传动扁尾及套筒的尺寸和公差

A usually rectangular cavity in a piece of wood,stone,or other material,prepared to receive a tenon and thus form a joint.
榫眼通常在一木头板、石块或其他物质中的四边形的洞孔，用来嵌入另一榫从而形成一个接合点

A fan - shaped tenon that forms a tight interlocking joint when fitted into a corresponding mortise.
鸽尾榫嵌入榫眼形成紧扣在一起的接头