Medical Dictionary


noun to·rus \ˈtōr-əs, ˈtr-\
plural to·ri \ˈtō(ə)r-ˌī, ˈt(ə)r-, -ˌē\

Medical Definition of TORUS

:  a doughnut-shaped surface generated by a circle rotated about an axis in its plane that does not intersect the circle
:  a smooth rounded anatomical protuberance (as a bony ridge on the skull) <a supraorbital torus>
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