noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A stem plant that completes its entire life cycle submerged, or with only its flowers above the waterline.

Etymology

From translingual Elodea, from Ancient Greek ἑλώδης (helṓdēs, “marshy”), from ἕλος (hélos, “marsh”)

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.