סֵן, (סנן, cmp. סְנֶה a. שֵׁן) tenon.—Pl. סִינִּים, סִינִּין. Kel. X, 6 עשאן בס׳ (Mish. ed. סינן, corr. acc.) if he joined the boards by means of tenons, Maim. (R. S.: by placing between them fine chips of thornwood, v. סְנֶה).