Definitions for racemereɪˈsim, rə-
Random House Webster's College Dictionary
a simple indeterminate inflorescence in which the flowers are borne on short stalks lying along an elongated main stem, as in the lily of the valley.
Origin of raceme:
1775–85; < L racēmus cluster of grapes
usually elongate cluster of flowers along the main stem in which the flowers at the base open first
An indeterminate inflorescence in which the flowers are arranged along a single central axis.
Origin: From racemus.
a flower cluster with an elongated axis and many one-flowered lateral pedicels, as in the currant and chokecherry