O·ver·flow v. t. [imp. & p. p. Overflowed p. pr. & vb. n. Overflowing.]
  1. To flow over; to cover woth, or as with, water or other fluid; to spread over; to inundate; to overwhelm.
     The northern nations overflowed all Christendom.   --Spenser.
  2. To flow over the brim of; to fill more than full.