\To"rus\, n.; pl. {Tori}. [L., a round, swelling, or
bulging place, an elevation. Cf. 3d {Tore}.]
1. (Arch.) A lage molding used in the bases of columns. Its
   profile is semicircular. See Illust. of {Molding.}
   --Brande&C.
2. (Zo["o]l.)One of the ventral parapodia of tubicolous
   annelids. It usually has the form of an oblong thickening
   or elevation of the integument with rows of uncini or
   hooks along the center. See Illust. under {Tubicol[ae]}.
3. (Bot.) The receptacle, or part of the flower on which the
   carpels stand.
4. (Geom.) See 3d {Tore}, 2.