Webster’s Revised Unabridged Dictionary · 1913
Fluent
Flu′ent (flū·ent), a. [L. fluens, -entis, p. pr. of fluere to flow; cf. Gr. φλύειν to boil over. Cf. Fluctuate, Flux.] 1. Flowing or capable of flowing; liquid; glodding; easily moving.
2. Ready in the use of words; voluble; copious; having words at command; and uttering them with facility and smoothness; as, a fluent speaker; hence, flowing; voluble; smooth; — said of language; as, fluent speech.
With most fluent utterance. Denham.
Fluent as the flight of a swallow is the sultan's letter. De Quincey.
Flu′ent, n. 1. A current of water; a stream. [Obs.]
2. [Cf. F. fluente.] (Math.) A variable quantity, considered as increasing or diminishing; — called, in the modern calculus, the function or integral.