equisetum

(redirected from Scouring-rush)
Also found in: Thesaurus, Medical, Encyclopedia.
Related to Scouring-rush: Equisetum fluviatile, Equisetum palustre

eq·ui·se·tum

 (ĕk′wə-sē′təm)
n. pl. eq·ui·se·tums or eq·ui·se·ta (-tə)

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

equisetum

(ˌɛkwɪˈsiːtəm)
n, pl -tums or -ta (-tə)
(Plants) any tracheophyte plant of the genus Equisetum, which comprises the horsetails
[C19: New Latin, changed from Latin equisaetum, from equus horse + saeta bristle]

horse•tail

(ˈhɔrsˌteɪl)

n.
a nonflowering plant of the genus Equisetum, family Equisetaceae, with hollow jointed stems bearing scaly leaves and a spikelike cone bearing spores.
[1350–1400]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.equisetum - horsetailsEquisetum - horsetails; coextensive with the family Equisetaceae
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
References in periodicals archive ?
The divisions covered in this work are Equisetophyta and Lycopodiophyta, which include horsetails, scouring-rushes, quillworts, club-mosses, and spike-mosses.