convergent

The act, condition, quality, or fact of converging.

Mathematics The property or manner of approaching a limit, such as a point, line, function, or value.

The point of converging; a meeting place: a town at the convergence of two rivers.

Physiology The coordinated turning of the eyes inward to focus on an object at close range.

Biology The adaptive evolution of superficially similar structures, such as the wings of birds and insects, in unrelated species subjected to similar environments. Also called convergent evolution.