torus
to·rus
noun \ˈtōr-əs, ˈtȯr-\plural to·ri \ˈtō(ə)r-ˌī, ˈtȯ(ə)r-, -ˌē\
Definition of TORUS
1
: a doughnut-shaped surface generated by a circle rotated about an axis in its plane that does not intersect the circle
2
: a smooth rounded anatomical protuberance (as a bony ridge on the skull) <a supraorbital torus>
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