Confluent

a.	1.	Flowing together; meeting in their course; running one into another; flowing together to form a single stream. These confluent steams make some great river's head. - Blackmore.
	2.	(Bot.) Blended into one; growing together, so as to obliterate all distinction.
	3.	(Med.) Running together or uniting, as pimples or pustules.
n.	1.	A small steam which flows into a large one.
	2.	The place of meeting of steams, currents, etc.

Adj.

1.

confluent - flowing together Synonyms: merging

convergent, merging