A wooden peg is a cylindrical piece of wood used for a variety of purposes. It can be used to join two pieces of wood together, as a support for shelves or other structures, or as a decorative element. The term 'wooden peg' can refer to several different types of pegs, including DOWEL, THOLE, NOG, and TEE. A DOWEL is a cylindrical rod of wood, usually round in cross-section, used in carpentry and joinery. A THOLE is a wooden peg used to secure a boat to a dock or beach. A NOG is a wooden peg used to secure a timber frame. Finally, a TEE is a wooden peg used to secure a rafter to a wall plate.