1.The condition or quality of converging; tendency to one point; the occurrence of two or more things coming together.
2.(Math.) The approach of an infinite series to a finite limit.
3.A representation of common ground between theories or phenomena.
4.The act of converging (coming closer).
5.(Biol.) A similarity of form or function in two or more organisms caused by evolutionary adaptations to a similarity in the environment, rather than to a common heredity. "The convergence or divergence of the rays falling on the pupil."