The Collaborative International Dictionary of English v.0.48:

Converge \Con*verge"\, v. i. [imp. & p. p. Converged; p. pr. &
   vb. n. Converging.] [Pref. con- + L. vergere to turn,
   incline; cf. F. converger. See Verge, v. i.]
   To tend to one point; to incline and approach nearer
   together; as, lines converge.
   [1913 Webster]

         The mountains converge into a single ridge.
                                                  --Jefferson.
   [1913 Webster]