v. Obs. [f. bi-, BE- 2 + saȝen, seȝen:—OE. sǽʓan to cause to sink = OS. sêgjan, OHG. seigan:—OTeut. *saigjan, causal of sîgan to sink.] trans. To cause to fall or stumble, to entrap.

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c. 1200.  Trin. Coll. Hom., 213. Biswikeð her aiðer oðer, and beð þanne bisaid in þe grune of hinder. Ibid., 215. Mid fele folde grunen þe werse hine biseið and henteth.

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