Source : Webster's Revised Unabridged Dictionary (1913)

Overspread \O`ver*spread"\, v. t. [imp. & p. p. {Overspread}; p.
   pr. & vb. n. {Overspreading}.] [AS. oferspr[=ae]dan.]
   To spread over; to cover; as, the deluge overspread the
   earth. --Chaucer.

         Those nations of the North Which overspread the world.
                                                  --Drayton.