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Definition of TORUS

  • 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
  • a. 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
  • a. 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
  • a large convex molding [n TORI, TORUSES]
  • (Latin) a large convex moulding [n TORI or TORUSES]