canola /kəˈnoʊlə/ noun1 •Any of a number of cultivars of rapeseed (Brassica napus) and closely related field mustard (Brassica rapa), which have a lower erucic acid and glucosinolate content than traditional rapeseed.The approach taken in this study was to compare the risk management costs of wheat to that of two non-cwb-marketed Canadian grains: flax and canola. — 1998 formscanolas