Metal
PANEL
log
Permineralized wood is wood in process of becoming fully fossilised. Waterlogged driftwood may be permineralized.
A post, stake, pole.
Dado can be used in architecture, or in carpentry. In carpentry (the more frequent use) it is a rectangular groove cut into a piece of wood, usually to permit joining it to another piece of wood.
A groove in woodwork is a slot in the wood going with the grain. It usually has square corners and is usually used to receive an other piece of wood when something is being assembled. If the slot is going across the grain ( at 90 degrees to the grain) it is not called a groove, but is a dado instead.
you can "dado" the body of wood to create a channel or groove.
Tongue and Groove sheeting refers to a woodworking process , a form of joinery, that joins smaller strips of wood without the use of nails, to form a large surface of wood seamlessly held together. A "bit" - a tool used to cut a specific shape out of timber - is used on one end a piece of timber to create a protruding piece - the "tongue, and the opposite end of the timber panel is cut with a panel - the groove, that receives the tongue end of the timber, creating a seamless joint.
wood work
It depends of the piece of wood itself and the type of wood that it is.
The small piece of wood on the clarinet is the reed.
Groove wedge. (Yamaha)
A bored board is a piece of wood that has nothing to do.
A thin piece of wood?
petrified wood
A slot or trench cut into the surface of a piece of machinable material, usually wood. When viewed in cross-section, a dado has three sides. A dado is cut across, or perpendicular to, the grain and is thus differentiated from a groove which is cut with, or parallel to, the grain. by Dash from Philippines