[ˈtɔːrəs], (Noun)

Definitions:
- a surface or solid formed by rotating a closed curve, especially a circle, about a line which lies in the same plane but does not intersect it (e.g. like a ring doughnut)

- a large convex moulding, typically semicircular in cross section, especially as the lowest part of the base of a column

- a ridge of bone or muscle
(e.g: the maxillary torus)

- the receptacle of a flower


Phrases:

Origin:
mid 16th century (in torus): from Latin, literally ‘swelling, bolster, round moulding’. The other senses date from the 19th century