Noun: horsetail 'hors,teyl
- 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
"Horsetails are often found in wet areas and along streams"
Derived forms: horsetails
Type of: fern ally
Part of: Equisetum, genus Equisetum
Encyclopedia: Horsetail