[dou-uh
l] 
noun, verb, -eled, -el⋅ing or (especially British) -elled, -el⋅ling.| 1. | Also called dowel pin. Carpentry. a pin, usually round, fitting into holes in two adjacent pieces to prevent their slipping or to align them. |
| 2. | a piece of wood driven into a hole drilled in a masonry wall to receive nails, as for fastening woodwork. |
| 3. | a round wooden rod of relatively small diameter. |
| 4. | Dentistry. a peg, usually of metal, set into the root canal of a natural tooth to give additional support to an artificial crown. |
| 5. | to reinforce or furnish with a dowel or dowels. |