Definition of horsetail in English:

horsetail

noun

  • A nonflowering plant with a hollow jointed stem that bears whorls of narrow leaves, producing spores in cones at the tips of the shoots.

    • ‘The only lineage that has survived is the horsetails, which are herbaceous and share characters with their extinct progenitors such as articulate stems with microphylls arranged in whorls.’
    • ‘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.’
    • ‘Equisetum are known as horsetails, foxtails, or scouring rushes - this last name is derived from the fact that Equisetum stores granules of silica within its cells, making it an effective tool for scrubbing pots and polishing wood.’
    • ‘By the end of the Devonian, ferns, horsetails and seed plants had also appeared, producing the first trees and the first forests.’
    • ‘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.’

Pronunciation

horsetail

/ˈhôrsˌtāl//ˈhɔrsˌteɪl/