Convergence

(countable and uncountable; plural convergences)

The act of moving toward union or uniformity.The convergence or divergence of the rays falling on the pupil. — Berkeley.
A meeting place.We built a homestead at the convergence of two rivers
The intersection of three electron beams for red, green and blue onto a single pixel in a CRT.
(mathematics) The process of approaching some limiting value.
(physiology) The coordinated focusing of the eyes, especially at short range.
(biology) The evolution of similar structures or traits in unrelated species in similar environments; convergent evolution.
The merging of distinct technologies, industries, or devices into a unified whole.