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Noun: torus (tori,toruses)  to-rus
  1. A ring-shaped surface generated by rotating a circle around an axis that does not intersect the circle
    - toroid
     
  2. Commonly the lowest moulding at the base of a column
    - tore

Derived forms: toruses, tori

Type of: molding [N. Amer], moulding [Brit, Cdn], round shape

Encyclopedia: Torus