parabolaster

plural parabolasters

1. obsoletemathematicsA curve analogous to a parabola; or of a higher degree.

   A pure unaffected biquadratic parabolaster.

   1670, Collins, J., Letter in S. P. Rigaud & S. J. Rigaud, Correspondence of Scientific Men 17th Century (1841) (modernized text) vol. II. 199

   1 more example

   I have exhibited and demonstrated the proportion of the Parabola and Parabolasters to the Parallelograms of the same height and base.

   1656, Hobbes, T., Six Lessons Epistle Ded. in Elements of Philosoph