Colza \Col"za\, n. [F., fr. D. koolzaad, prop., cabbage seed; kool (akin to E. cole) + zaad, akin to E. seed.]

(Bot.) A variety of cabbage (Brassica oleracea), cultivated for its seeds, which yield an oil valued for illuminating and lubricating purposes; summer rape.

Source: Webster's Revised Unabridged Dictionary (1913)