mare's tail

noun
plural mare's tails or mares' tails

Definition of mare's tail

1a : a common aquatic plant (Hippuris vulgaris of the family Hippuridaceae) with elongated shoots having dense whorls of narrow finely tapered leaves
2 : a cirrus cloud that has a long slender flowing appearance

First Known Use of mare's tail

15th century, in the meaning defined at sense 1a

Keep scrolling for more

Learn More about mare's tail

Dictionary Entries near mare's tail

Mardi Gras

mare

mare's nest

mare's tail

Mareca

mare clausum

Marehan

Statistics for mare's tail

Look-up Popularity

Time Traveler for mare's tail

The first known use of mare's tail was in the 15th century

See more words from the same century

More from Merriam-Webster on mare's tail

Rhyming Dictionary: Words that rhyme with mare's tail

Britannica.com: Encyclopedia article about mare's tail

Comments on mare's tail

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

WORD OF THE DAY

a haphazard or makeshift solution

Get Word of the Day daily email!

Test Your Vocabulary

Summer 2019 Words of the Day Quiz

  • a-bowl-of-peach-sorbet-with-cut-peaches-next-to-it
  • Which is a synonym of desideratum?
Spell It

Can you spell these 10 commonly misspelled words?

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!