Source : Webster's Revised Unabridged Dictionary (1913)

Besnow \Be*snow"\, v. t. [imp. & p. p. {Besnowed}.] [OE.
   bisnewen, AS. besn[=i]wan; pref. be- + sn[=i]wan to snow.]
   1. To scatter like snow; to cover thick, as with snow flakes.
      [R.] --Gower.

   2. To cover with snow; to whiten with snow, or as with snow.