Noah Webster
Coextend
COEXTEND, verb intransitive To extend through the same space or duration with another; to extend equally; as, one line coextends with another; or perhaps in a transitive sense, to coextend a line with another.
COEXTEND, verb intransitive To extend through the same space or duration with another; to extend equally; as, one line coextends with another; or perhaps in a transitive sense, to coextend a line with another.