rāˈsēm, rəˈ- noun
( -s )
Etymology: Latin racemus cluster of grapes or berries
1. : an inflorescence (as in the currant and lily-of-the-valley) in which the flowers are borne on stalks of about equal length along an elongated axis that continues to grow during flowering and open in succession from below — compare cyme , corymb ; see inflorescence illustration
2. : something (as a synaptic nerve ending) that resembles a racemose inflorescence