ˌsemi-paraˈbolical,a. [f. semiparabola + -ical.] =prec. 1. 1656tr.Hobbes' Elem.Philos. xvi. 170 The Body will be carried through the Semipa[ra]bolical crooked line AGD.1656Hobbes Six Lessons iv. 36 Two Movents, one uniform, the other uniformly accelerated, make the Body describe a Semiparabolical line.1775in Ash.