What is "racemation"

Racemation \Rac`e*ma"tion\ (r[a^]s`[-e]*m[=a]"sh[u^]n), 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.]
   --Bp. Burnet.

n. 1 A cluster or bunch, as of grapes. 2 The cultivation or gathering of clusters of grapes.