Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

water-plantain spearwort

noun

Definition of water-plantain spearwort

: a North American aquatic crowfoot (Ranunculus ambigens) that roots freely at the lower nodes and has chiefly narrow acuminate leaves

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Learn More about water-plantain spearwort

Statistics for water-plantain spearwort

Look-up Popularity

Comments on water-plantain spearwort

What made you want to look up water-plantain spearwort? Please tell us where you read or heard it (including the quote, if possible).

Show Comments  Hide Comments 

WORD OF THE DAY

redoubtable

Listen to the pronounciation of redoubtable

formidable, illustrious, or eminent

Get Word of the Day daily email!

Test Your Vocabulary

The Exceptions Quiz III

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Words at Play
Ask the Editors
Word Games