# noun. - a flat or curved component, typically rectangular, that forms or is set into the surface of a door, wall, or ceiling. * a layer of insulating material should be placed between the panels and the wall - a flat board on which instruments or controls are fixed. * a control panel - a small group of people brought together to discuss, investigate, or decide on a particular matter, especially in the context of business or government. * we assembled a panel of experts
# verb. - cover (a wall or other surface) with panels. * we paneled the wall around the window