adj. Pertaining to or shaped like a torus, or a section of a torus; toroidal.
The Century Dictionary and Cyclopedia
Of or pertaining to a torus: used in optics in reference to a lens the surface of which is a portion of that of a torus, or solid of revolution generated by rotating a circle about any axis in its plane. See torus, 5.
Word Usage
"The fitting of contact lens that 'called a toric is very much no longer that specialty unique thing in the United States."