Lēm/nis-cē/tā or Lem-nĭs'cate, n.

n. [Lat. lemniscatus, adorned with ribbons, from lemniscus, a ribbon hanging down, Gr. λημνίσκος, from λήνος, wool.] (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.