- ravison
- \\ˈravəsən\ noun
(-s)
Etymology: French, modification (influenced by rave turnip, rape, from Latin rapa) of German dialect rübesan, from German rübe rape (from Old High German ruoba) + German dialect san seed, from Old High German sāmo; akin to Old Saxon sāmo seed, Old High German sājen to sow — more at rape, sow: rapeseed of an inferior quality
Useful english dictionary. 2012.