Share this entry

horsetail Syllabification: horse·tail
Pronunciation: /ˈhôrsˌtāl/

Definition of horsetail in English:


A nonflowering plant with a hollow jointed stem that bears whorls of narrow leaves, producing spores in cones at the tips of the shoots.
  • Genus Equisetum, the only surviving genus of the family Equisetaceae and class Sphenopsida, division Pteridophyta
Example sentences
  • During the Carboniferous the climate was hot and humid, and there were extensive swampy forests dominated by giant tree ferns and conifers, club mosses, and horsetails.
  • Seed-producing plants are probably the most familiar plants to most people, unlike mosses, liverworts, horsetails, and most other seedless plants which are overlooked because of their size or inconspicuous appearance.
  • By the end of the Devonian, ferns, horsetails and seed plants had also appeared, producing the first trees and the first forests.

Words that rhyme with horsetail

folktale • swallowtail

Definition of horsetail in:

Share this entry


What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day innocuous
Pronunciation: ɪˈnɒkjʊəs
not harmful or offensive