Webster's Revised Unabridged Dictionary · 1913

Affluent

Affluent ({not transcribed}) , adjective

[Compare French affluent, Latin affluens, -entis, p. pr. See Affluence.]

1.
Flowing to; flowing abundantly.
Affluent blood. — Harvey
2.
Abundant; copious; plenteous; hence, wealthy; abounding in goods or riches.
Language... affluent in expression. — H. Reed
Loaded and blest with all the affluent store, Which human vows at smoking shrines implore. — Prior

Affluent , noun

A stream or river flowing into a larger river or into a lake; a tributary stream.