Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to Equisetum arvense: stinging nettle
Switch to new thesaurus
|Noun||1.||Equisetum arvense - of Eurasia and Greenland and North America|
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