Architecture. a large convex molding, more or less semicircular in profile, commonly forming the lowest molding of the base of a column, directly above the plinth, sometimes occurring as one of a pair separated by a scotia and fillets. and column.
a doughnut-shaped surface generated by the revolution of a conic, especially a circle, about an exterior line lying in its plane.
the solid enclosed by such a surface.
the receptacle of a flower.
a thickening of the wall membrane in the bordered pits occurring in the tracheid cells of the wood of many conifers.
Also called tore. a large convex moulding approximately semicircular in cross section, esp one used on the base of a classical column
(geometry) a ring-shaped surface generated by rotating a circle about a coplanar line that does not intersect the circle. Area: 4π²Rr; volume: 2π²Rr², where r is the radius of the circle and R is the distance from the line to the centre of the circle