horsetail

noun horse·tail \ ˈhȯrs-ˌtāl \
|Updated on: 21 Jun 2018

Definition of horsetail

: any of a genus (Equisetum of the order Equisetales) of lower tracheophytes comprising perennial plants that spread by creeping rhizomes and have leaves reduced to nodal sheaths on the hollow jointed ribbed shoots

Recent Examples of horsetail from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'horsetail.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Illustration of horsetail

illustration of horsetail

First Known Use of horsetail

15th century

in the meaning defined above

See Words from the same year
NEW! Time Traveler

HORSETAIL Defined for Kids

horsetail

noun horse·tail \ ˈhȯrs-ˌtāl \

Definition of horsetail for Students

: a plant that produces spores and has small leaves resembling scales

Learn More about horsetail


Seen and Heard

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

Love words? Need even more definitions?

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

WORD OF THE DAY

a figure representing a hated person

Get Word of the Day daily email!

Test Your Vocabulary

Words for Summer: A Quiz

  • a-closeup-of-a-sunflower
  • Which of the following words means “of or relating to summer”?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Dictionary Devil

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!