truncus
nounEtymology From Latin truncus. Doublet of tronk and trunk.
1
Biology, Natural sciences The thorax of an insect.
2
Medicine, Sciences The trunk (torso) of the human body or other animal body.
3
Medicine, Sciences An arterial trunk, such as the truncus arteriosus.
4
Geometry, Mathematics, Sciences A curve in the Cartesian plane consisting of all points (x,y) satisfying an equation of the form f(x)=a/(x+b)²+c where a, b, and c are given constants.
- Derived terms
- conotruncus, truncal
- Related terms
- persistent truncus arteriosus