Defn: In a fluttering manner.
FLUTY
Flut"y, a.
Defn: Soft and clear in tone, like a flute.
FLUVIAL Flu"vi*al, a. Etym: [L. fluvialis, from fluvius river, fr. fluere to flow: cf.F. fluvial. See Fluent.]
Defn: Belonging to rivers; growing or living in streams or ponds; as, a fluvial plant.
FLUVIALIST
Flu"vi*al*ist, n.
Defn: One who exlpains geological phenomena by the action of streams.
[R.]
FLUVIATIC
Flu`vi*at"ic, a. Etym: [L. fluviaticus. See Fluvial.]
Defn: Belonging to rivers or streams; fluviatile. Johnson.
FLUVIATILE Flu"vi*a*tile, a. Etym: [L. fluviatilis, fr. fluvius river: cf. F. fluviatile.]