TORUS

torus, tore

(noun) commonly the lowest molding at the base of a column

torus, toroid

(noun) a ring-shaped surface generated by rotating a circle around an axis that does not intersect the circle

Source: WordNet® 3.1

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Etymology

Noun

torus (plural tori or toruses)

(topology) A topological space which is a product of two circles.

(mathematics) The standard representation of such a space in 3-dimensional Euclidean space: a shape consisting of a ring with a circular cross-section: the shape of an inner tube or hollow doughnut.

(topology, in combination, n-torus, 4-torus, etc.) The product of the specified number of circles.

(architecture) A molding which projects at the base of a column and above the plinth.

(botany) The end of the peduncle or flower stalk to which the floral parts (or in the Asteraceae, the florets of a flower head) are attached; receptacle, thalamus.

(anatomy) A rounded ridge, especially one on the occipital bone.

Anagrams

• Rusto, Stour, Tours, roust, routs, stour, sutor, tours

Source: Wiktionary

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To"rus, n.; pl. Tori. Etym: [L., a round, swelling, or bulging place, an elevation. Cf. 3d Tore.]

1. (Arch.)

Definition: A lage molding used in the bases of columns. Its profile is semicircular. See Illust. of Molding. Brande&C.

2. (Zoöl.)

Definition: 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 Tubicolæ.

3. (Bot.)

Definition: The receptacle, or part of the flower on which the carpels stand.

4. (Geom.)

Definition: See 3d Tore, 2.

Source: Webster’s Unabridged Dictionary 1913 Edition

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