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.
© Webster 1913.