\Co`ex*tend\, v. t. [imp. & p. p. {Coextended}; p. pr.
& vb. n. {Coextending}.]
To extend through the same space or time with another; to
extend to the same degree.
      According to which the least body may be coextended
      with the greatest.                       --Boyle.
      Has your English language one single word that is
      coextended through all these significations? --Bentley.