con·ver·gent /-ˈvɝʤənt/ 形容詞
Con·ver·gent a. tending to one point of focus; tending to approach each other; converging.
As many rays of light, as conveniently can be let in, and made convergent. --Boyle.
The vast dome of its cathedral . . . directing its convergent curves to heaven. --Hallam.
adj : tending to come together from different directions [ant: divergent]