Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

horsetail tree

noun

Definition of horsetail tree

: a tree of the genus Casuarina especially : a tree (C. equisetifolia) planted in the southern and southwestern U.S. that is used for windbreaks and planting on sand dunes and also as an ornamental

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 horsetail tree

Statistics for horsetail tree

Look-up Popularity

Comments on horsetail tree

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

Show Comments  Hide Comments 

WORD OF THE DAY

belfry

Listen to the pronounciation of belfry

a bell tower

Get Word of the Day daily email!

Test Your Vocabulary

Where in the World? A Quiz

  • peter bruegel tower of babel painting
  • What language does pajama come from?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Bee Cubed

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