The Collaborative International Dictionary
Brassica napus
Brassica \Bras"si*ca\, prop. n. [L., cabbage.] (Bot.) A genus of plants embracing several species and varieties differing much in appearance and qualities: such as the common cabbage ( Brassica oleracea), broccoli, cauliflowers, etc.; the wild turnip ( Brassica campestris); the common turnip ( Brassica rapa); the rape or coleseed ( Brassica napus), etc.