truncus

/T R AH1 NG K AH0 S/
noun
  1. 1

    (medicine) The trunk (torso) of the human body or other animal body.

  2. 2

    (medicine) An arterial trunk, such as the truncus arteriosus.

  3. 3

    (biology) The thorax of an insect.

  4. 4

    (geometry) A curve in the Cartesian plane consisting of all points (x,y) satisfying an equation of the form f(x)=a/(x+b)ยฒ+c where a, b, and c are given constants.