mare's tail

Noun

 * 1) Any plant of various species with inflorescences resembling a horse's tail.
 * 2) Any of the water plants in the genus Hippuris,
 * 3) especially, ;
 * , an annual weed also known as horseweed and ;
 * 1)  spp., fern allies also known as horsetail and pipeweed.

Translations

 * Estonian: hobusesaba
 * Greek:
 * Ancient: ἴπνον