\Be"som\, n. [OE. besme, besum, AS. besma; akin to D. bezem, OHG pesamo, G. besen; of uncertain origin.] A brush of twigs for sweeping; a broom; anything which sweeps away or destroys. [Archaic or Fig.] I will sweep it with the besom of destruction. --Isa. xiv. 23. The housemaid with her besom. --W. Irving.
\Be"som\, v. t. [imp. & p. p. {Besomed}.] To sweep, as with a besom. [Archaic or Poetic] --Cowper. Rolls back all Greece, and besoms wide the plain. --Barlow.
the rendering of a Hebrew word meaning sweeper, occurs only in Isa. 14:23, of the sweeping away, the utter ruin, of Babylon.