mare's-tail

noun

A long streaky cloud, spreading out like a horse's tail, and believed to indicate rain; a cirrus cloud.

Similar
horseweedCanadian fleabanehorsetailpipeweed
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Meanings

nounmare's-tail (plural mare's-tails or mares'-tails)

plural mare's-tails · plural mares'-tails

  1. A long streaky cloud, spreading out like a horse's tail, and believed to indicate rain; a cirrus cloud.
  2. Any aquatic plant of the genus Hippuris, having narrow leaves in whorls.
    1. especially, common mare's tail (Hippuris vulgaris)
  3. Erigeron canadensis (syn. Conyza canadensis), an annual weed.

    Synonyms: horseweed, Canadian fleabane

  4. Equisetum, a fern ally.

    Synonyms: horsetail, pipeweed

Synonyms & antonyms

nounErigeron canadensis (syn. Conyza canadensis), an annual weed.

Similar
horseweedCanadian fleabane

nounEquisetum, a fern ally.

Similar
horsetailpipeweed
Also see
prideweed

Translations

Ancient Greek ἴπνον
  • ἴπνον (ípnon)water plant of the genus Hippuris
Estonian hobusesaba
  • hobusesabawater plant of the genus Hippuris
Cite this entry
APA

mare's-tail. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/mare's-tail

MLA

“mare's-tail.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/mare's-tail. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “mare's-tail,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/mare's-tail.

Source: mare's-tail on Wiktionary, CC BY-SA 4.0.