The sunken area created between the crossing of structural members Coffers often appear in a flat ceiling or on the interior surface of a dome They are often the focus of decoration and serve also to lighten the weight of the structure
multi-functional traveling chest with handles and a domed lid but without feet, usually made of oak
{i} sturdy chest or box in which valuables are stored, strongbox; treasure chest; treasury; funds; cofferdam; floating dock;(Architecture) ornamental sunken panel (in a dome, flat ceiling)