helice

/HH EH1 L IH0 S/
noun
  1. 1

    (mathematics) A curve on the surface of a cylinder or cone such that its angle to a plane perpendicular to the axis is constant; the three-dimensional curve seen in a screw or a spiral staircase.

  2. 2

    (anatomy) The incurved rim of the external ear.

  3. 3

    (architecture) A small volute under the abacus of a Corinthian capital.

  4. 4

    An upside down midair 360° spin in playboating.

verb
  1. 1

    To form or cause to form a helix.