Dowel
WordNet
noun
(1) A fastener that is inserted into holes in two adjacent pieces and holds them together
WiktionaryText
Noun
- A pin, or block, of wood or metal, fitting into holes in the abutting portions of two pieces, and being partly in one piece and partly in the other, to keep them in their proper relative position.
- A piece of wood driven into a wall, so that other pieces may be nailed to it.