Of a river

WordNet Word definitions in WordNet
adj. of or relating to or happening in a river; "fluvial deposits"

Wikipedia Word definitions in Wikipedia
Fluvial is a term used in geography and geology to refer to the processes associated with rivers and streams and the deposits and landforms created by them. When the stream or rivers are associated with glaciers , ice sheets , or ice caps , the term glaciofluvial ...

Wiktionary Word definitions in Wiktionary
a. Of, pertaining to, inhabiting, or produced by the action of a river or stream

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Fluvial \Flu"vi*al\, a. [L. fluvialis, from fluvius river, fr. fluere to flow: cf.F. fluvial. See Fluent .] Belonging to rivers; growing or living in streams or ponds; as, a fluvial plant.

Longman Dictionary of Contemporary English Word definitions in Longman Dictionary of Contemporary English
adjective EXAMPLES FROM CORPUS ▪ In the light of this, the way forward in climatic geomorphology, already recognized in studies of fluvial catchments, becomes evident. ▪ Karst landforms related more specifically to fluvial activity are discussed in Chapter ...

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
"pertaining to a river," late 14c., from Latin fluvialis "of a river," from fluvius "a river, stream, running water," related to fluere "to flow" (see flow (v.)).