Source : Webster's Revised Unabridged Dictionary (1913)

Racemation \Rac`e*ma"tion\, n. [L. racematio a gleaning, fr.
   racemari to glean, racemus a cluster of grapes. See
   {Raceme}.]
   1. A cluster or bunch, as of grapes. --Sir T. Browne.

   2. Cultivation or gathering of clusters of grapes. [R.]