Lem`nis·ca'ta (lĕm`nĭs*kā'tȧ), Lem*nis'cate (lĕm*nĭs'kat) noun [ Latin lemniscatus adorned with ribbons, from lemniscus a ribbon hanging down, Greek lhmni`skos .] (Geom.) A curve in the form of the figure 8, with both part... Found on http://www.encyclo.co.uk/webster/L/28