The Collaborative International Dictionary
Interfluent
Interfluent \In*ter"flu*ent\, Interfluous \In*ter"flu*ous\, a.
[L. interfluens, p. pr., and interfluus. See Inter-, and
Fluent.]
Flowing between or among; intervening.
--Boyle.
Wiktionary
interfluent
a. (context rare or dated of multiple wavelike objects or figuratively English) flowing into one another.