Source : Webster's Revised Unabridged Dictionary (1913)

Pansy \Pan"sy\, n.; pl. {Pansies}. [F. Pens['e]e thought, pansy,
   fr. penser to think, L. pensare to weigh, ponder. See
   {Pensive}.] (Bot.)
   A plant of the genus Viola ({V. tricolor}) and its blossom,
   originally purple and yellow. Cultivated varieties have very
   large flowers of a great diversity of colors. Called also
   {heart's-ease}, {love-in-idleness}, and many other quaint
   names.