mortise
(also mortice), / ˈmɔ:tɪs; `mɔrtɪs/ n (usu rectangular) hole cut in a piece of wood, etc to receive the end of another piece so that the two are held together （通常为矩形的）卯眼, 榫眼, 榫孔. Cf 参看 tenon. mortise (also mortice), v
1 [Tn.pr, Tn.p]
~ A to/into B; ~ A and B together join or fasten things with a mortise 用卯眼接合
The cross-piece is mortised into the upright post. 横梁和立柱是用榫眼接合一起的.
2 [Tn] cut a mortise in (sth) 在（某物上）开榫眼.