nounplural noun equiseta/-ˈsētə/ , plural noun equisetums

• A plant of a genus that comprises the horsetails.

  Genus Equisetum, family Equisetaceae

  ‘Give the child lots of warm herb teas, especially horsetail (equisetum), which cleanses the kidneys.’

  More example sentences

  • ‘Horsetails or equisetum can be your nightmare if you have recently laid tarmacadam.’
  • ‘The pond is planted with equisetum, irises, and other water lovers.’
  • ‘The chief of these is equisetum, known as marestail or horsetail, a plant which rapidly chokes fields of soya if not controlled.’