Definition of horsetail
: any of a genus (Equisetum of the order Equisetales) of lower tracheophytes comprising perennial plants that spread by creeping rhizomes and have leaves reduced to nodal sheaths on the hollow jointed ribbed shoots
First Known Use of horsetail
Rhymes with horsetail
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HORSETAIL Defined for Kids
Definition of horsetail for Students
: a plant that produces spores and has small leaves resembling scales
Learn More about horsetail
Britannica.com: Encyclopedia article about "horsetail"
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