The Collaborative International Dictionary of English v.0.48:

Bestride \Be*stride"\, v. t. [imp. Bestrode, (Obs. or R.)
   Bestrid; p. p. Bestridden, Bestrid, Bestrode; p. pr.
   & vb. n. Bestriding.] [AS. bestr[imac]dan; pref. be- +
   str[imac]dan to stride.]
   1. To stand or sit with anything between the legs, or with
      the legs astride; to stand over
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            That horse that thou so often hast bestrid. --Shak.
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            Why, man, he doth bestride the narrow world
            Like a Colossus.                      --Shak.
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   2. To step over; to stride over or across; as, to bestride a
      threshold.
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