Source : Webster's Revised Unabridged Dictionary (1913)

Bedstaff \Bed"staff`\, n.; pl. {Bedstaves}.
   ``A wooden pin stuck anciently on the sides of the bedstead,
   to hold the clothes from slipping on either side.''
   --Johnson.

         Hostess, accommodate us with a bedstaff. --B. Jonson.

         Say there is no virtue in cudgels and bedstaves.
                                                  --Brome.