The Collaborative International Dictionary
Transfluent
Transfluent \Trans"flu*ent\, a. [Pref. trans- + fluent.]
Flowing or running across or through; as, a transfluent stream.
(Her.) Passing or flowing through a bridge; -- said of water.
--Wright.
Wiktionary
transfluent
a. (context of water or other liquid English) flowing through or across something (such as under a bridge)