† riding castn.AgricultureObsolete a method of sowing seeds in which one set of seeds is sown over another, at the same time.
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1677 R. PlotNat. Hist. Oxford-shire 246 In Sowing they have their several Methods, viz. the single Cast, the double Cast; and as they call it about Burford, the Hackney bridle, or riding cast... The Hackney bridle is two casts on a Land at one time, and but once about.