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The seed of the rape (rape, n.5); (in later use) esp. that of Brassica napus subsp. oleifera (= rape, n.5 2a(b)), used chiefly for the production…
The seed of Brassica campestris or Napus, variant oleifera, the source of ‘rape’ or ‘sweet’ oil; also the plant, cultivated for its seed.