Affluent

Part of speech: noun (n.)

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

Part of speech: adjective (a.)

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.