Source : Webster's Revised Unabridged Dictionary (1913)

Spoom \Spoom\, v. i. [Probably fr. spum foam. See {Spume}.]
   (Naut.)
   To be driven steadily and swiftly, as before a strong wind;
   to be driven before the wind without any sail, or with only a
   part of the sails spread; to scud under bare poles. [Written
   also {spoon}.]

         When virtue spooms before a prosperous gale, My heaving
         wishes help to fill the sail.            --Dryden.