רכפא

רִכְפָּא, רִכְפָּהf. (cmp. Syr. רקפתא, Löw, Pfl. 307) 1) a tuberous-rooted plant used for dyeing, sow-bread (cyclaminus). Shebi. VII, 2 (Ms. M. ארכפה; Maim. רכבנה). 2) בצל שלר׳ tuber of rikhpa, a kind of onion. Maasr. V, 8. Tosef. ib. III, 14; Y. ib. V, end, 52a איזהו ב׳ שלר׳ כל שעוקצווכ׳ what is the nature of a rikhpa onion? Its tail is squeezed into its inside; R. S. b. G. says, it has one shell only.(Maim. to Maasr. l. c. suggests ר׳ to be a geographical term, corresp. to שום בעל בכי ib.