Word Study
raceme
CIDE DICTIONARY
raceme, n. [L. racemus a bunch of berries, a cluster of grapes. See Raisin.].
A flower cluster with an elongated axis and many one-flowered lateral pedicels, as in the currant and chokecherry. [1913 Webster]
OXFORD DICTIONARY
raceme, n. Bot. a flower cluster with the separate flowers attached by short equal stalks at equal distances along a central stem (cf. CYME).
Etymology
L racemus grape-bunch
For further exploring for "raceme" in Webster Dictionary Online