horsetails

horsetail

[hawrs-teyl]
noun
1.
Also called scouring rush. any nonflowering plant of the genus Equisetum, having hollow, jointed stems.
2.
a horse's tail formerly used as a Turkish military standard or as an ensign of a pasha, the number of tails increasing with the rank.

Origin:
1350–1400; Middle English horse tayle. See horse, tail1

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To horsetails
Collins
World English Dictionary
horsetail (ˈhɔːsˌteɪl)
 
n
1.  any tracheophyte plant of the genus Equisetum, having jointed stems with whorls of small dark toothlike leaves and producing spores within conelike structures at the tips of the stems: phylum Sphenophyta
2.  a stylized horse's tail formerly used as the emblem of a pasha, the number of tails increasing with rank

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
American Heritage
Science Dictionary
horsetail   (hôrs'tāl')  Pronunciation Key 
A member of a genus, Equisetum, of seedless vascular plants having a jointed hollow stem and narrow, sometimes much reduced leaves. Plants extremely similar to modern horsetails are known from fossils 300 million years old. The horsetails are the last surviving members of the phylum Sphenophyta, which dominated the forests of the Devonian and Carboniferous periods.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature
FAVORITES
RECENT

;