We don't have synonyms for parabolas yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are parabolic, parabola and parabolae.
(n) :
(geometry) The conic section formed by the intersection of a cone with a plane parallel to a tangent plane to the cone; the locus of points equidistant from a fixed point (the focus) and line (the directrix).
(n) :
(geometry) The conic section formed by the intersection of a cone with a plane parallel to a tangent plane to the cone; the locus of points equidistant from a fixed point (the focus) and line (the directrix).