Lem`nis*ca"ta (?), Lem*nis"cate (?), n. [L. lemniscatus adorned with ribbons, fr. lemniscus a ribbon having down, Gr. .] Geom.
A curve in the form of the figure 8, with both parts symmetrical, generated by the point in which a tangent to an equilateral hyperbola meets the perpendicular on it drawn from the center.
© Webster 1913.