dow·el 
(douəl)
(douəl)n.
1. A usually round pin that fits tightly into a corresponding hole to fasten or align two adjacent pieces.
2. A piece of wood driven into a wall to act as an anchor for nails.
tr.v. dow·eled, dow·el·ing, dow·els also dow·elled or dow·el·ling
1. To fasten or align with dowels: table legs that are doweled to the top.
2. To equip with dowels.
[Middle English doule, part of a wheel, perhaps from Middle Low German dovel, plug, or from Old French doele, barrel stave ( diminutive of douve, from Late Latin doga, vessel, from Greek dokhē, receptacle, from dekhesthai, to take; see dek- in the Appendix of Indo-European roots).]