English edit

 
A waterdock of the genus Rumex

Alternative forms edit

Etymology edit

From water +‎ dock. Compare Old English ēa-docce (Rumex aquaticus, literally water-dock).

Noun edit

waterdock (plural waterdocks)

  1. (botany) Any of a species of perennial herbaceous plants in the genus Rumex native to fens and freshwater banks of Europe and Western Asia.