Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun horsetail

1 sense of horsetail

Sense 1
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)
       => fern ally -- (pteridophytes of other classes than Filicopsida)