equisetum (redirected from equisetums)

eq·ui·se·tum  (kw-stm)

n. pl. eq·ui·se·tums or eq·ui·se·ta (-t)

See horsetail.

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[Latin equisaetum, horsetail : equus, horse; see ekwo- in Indo-European roots + saeta, bristle, stiff hair.]

Thesaurus

Noun

1.

Equisetum - horsetails; coextensive with the family Equisetaceae genus Equisetum fern genus - genera of ferns and fern allies Equisetaceae, family Equisetaceae, horsetail family - sole surviving family of the Equisetales: fern allies horsetail - perennial rushlike flowerless herbs with jointed hollow stems and narrow toothlike leaves that spread by creeping rhizomes; tend to become weedy; common in northern hemisphere; some in Africa and South America