Obs. rare1. [f. BY- 2 b + scape, aphet. f. ESCAPE.] A bastard; cf. BY-BLOW, -SLIP.

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1646.  Earl Monm., Biondi’s Hist., VI–IX. 197. For his being God-son to her Brother, and … for that (being very fair) she thought him a by-scape of his.

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