HORSETAIL
horsetail
(noun) 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
Source: WordNet® 3.1
Etymology
Noun
horsetail (plural horsetails)
(literal) The tail of a horse.
(botany) Any of various simple vascular plants, of the order Equisetales, that have hollow stems and produce spores.
(military) A Turkish standard denoting rank.
(botany) A mare's tail, a water plant in genus Hippuris.
Any waterfall, the descending water of which maintains contact with bedrock most of the time.
(anatomy) cauda equina, a bundle of nerve fibers.
(rare) A ponytail hairstyle.
Anagrams
• aeroliths, isotheral
Source: Wiktionary
Horse"tail`, n.
1. (Bot.)
Definition: A leafless plant, with hollow and rushlike stems. It is of the
genus Equisetum, and is allied to the ferns. See Illust. of
Equisetum.
2. A Turkish standard, denoting rank.
Note: Commanders are distinguished by the number of horsetails
carried before them. Thus, the sultan has seven, the grand vizier
five, and the pashas three, two, or one. Shrubby horsetail. (Bot.)
See Joint-fir.
Source: Webster’s Unabridged Dictionary 1913 Edition