| Noun | 1. | rapeseed - seed of rape plants; source of an edible oil oil-rich seed, oilseed - any of several seeds that yield oil Brassica napus, colza - Eurasian plant cultivated for its seed and as a forage crop colza oil, rape oil, rapeseed oil - edible light yellow to brown oil from rapeseed used also as a lubricant or illuminant |