榫

卡榫

kǎ sǔn

clip

卯榫

mǎo sǔn

mortise and tenon (slot and tab forming a carpenter's joint)

榫卯

sǔn mǎo

mortise and tenon

榫眼

sǔn yǎn

mortise (slot cut into wood to receive a tenon)

榫销

sǔn xiāo

dowel

榫凿

sǔn záo

mortise chisel

榫头

sǔn tou

tenon (wooden projection to fit into a mortise)