rēctum ī, n
P. n. of rego, good, uprightness, rectitude, virtue : illud rectum, quodκοτόρθωμαdicebas: Neque id putabit, pravum an rectum siet, T.: curvo dignoscere rectum, H.: mens sibi conscia recti, V.: fidem rectumque colebat, O.
·noun The terminal part of the large intestine; — so named because supposed by the old anatomists t...
Webster's Dictionary of the English Language
·- The line drawn through a focus of a conic section parallel to the directrix and terminated both w...