Also called dowel pin. Carpentry . a pin, usually round, fitting into holes in two adjacent pieces to prevent their slipping or to align them.

a piece of wood driven into a hole drilled in a masonry wall to receive nails, as for fastening woodwork.

a round wooden rod of relatively small diameter.

Dentistry . a peg, usually of metal, set into the root canal of a natural tooth to give additional support to an artificial crown.

to reinforce or furnish with a dowel or dowels.

noun

peg , pin