Definition:
torus
- torus(Latin) a large convex moulding
- torusa. doughnut-shaped surface generated by the revolution of a conic, esp. a circle, about an exterior line lying in its plane b. the solid enclosed by such a surface
- torusa. the receptacle of a flower b. thickening of the wall membrane in the bordered pits occurring in the tracheid cells of the wood of many conifers
- toruslarge 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