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
Recent Examples of horsetail from the Web
Enclosed in glass on three sides, like some giant terrarium, but open to the sky, the inaccessible landscape will sprout with ferns, horsetail and magnolia trees.
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First Known Use of horsetail
HORSETAIL Defined for Kids
Definition of horsetail for Students
: a plant that produces spores and has small leaves resembling scales
Seen and Heard
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