Dowel

Chamber's Twientieth Century Dictionary · 1908 · p. 32

dow′el, n. a pin of wood or iron inserted in the edges of two adjacent boards for the purpose of fastening them together.— v.t. to fasten by means of dowels.— ns. Dow′el-joint ; Dow′el-pin . [Prob. related to Ger. döbel , a plug.]