riverweed

[ riv-er-weed ]

noun

1. any of several chiefly tropical submerged aquatic plants of the genus Podostemum and related genera, growing in rapidly moving streams.

Word History and Origins

Origin of riverweed¹

First recorded in 1665–75; river ¹ + weed ¹

Example Sentences

Now they were like riverweed, like the bottom of a green glass bottle.

From Literature

So under the thin willows' leprous shade And through the tangled ranks of riverweed I pushed—till lo, God heard me!

From Project Gutenberg