1. A variety of garlic (Allium sativum var. ophioscorodon) having a twisted scape, or a related plant (A. scorodoprasum) having a garliclike bulb.
2. The bulb of either of these plants, used as a seasoning.
[French, from German Rockenbolle : Rocken, distaff (from Middle High German rocke, from Old High German rocko, from Vulgar Latin *rotica, from Latin rotāre, to turn; see ROTATE) + Bolle, bulb (from Middle High German bolle, from Old High German bolla, ball; see bhel-2 in the Appendix of Indo-European roots).]
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