A mare's tail, a water plant in genus Hippuris.
Any of various simple vascular plants, of the order Equisetales, that have hollow stems and produce spores.
The tail of a horse.
cauda equina, a bundle of nerve fibers.
A Turkish standard denoting rank.
Any waterfall, the descending water of which maintains contact with bedrock most of the time.
A ponytail hairstyle.
especially, common mare's tail (Hippuris vulgaris)
Erigeron canadensis (syn. Conyza canadensis), an annual weed
Equisetum, a fern ally
A long streaky cloud, spreading out like a horse's tail, and believed to indicate rain; a cirrus cloud.
Any aquatic plant of the genus Hippuris, having narrow leaves in whorls.