mare's-tail

[mairz-teyl]

noun

a long narrow cirrus cloud whose flowing appearance somewhat resembles a horse's tail.
an erect, aquatic, Old World plant, Hippuris vulgaris, having crowded whorls of narrow, hairlike leaves.

Nearby words

  1. mare tranquillitatis,
  2. mare tyrrhenum,
  3. mare undarum,
  4. mare vaporum,
  5. mare's-nest,
  6. marek's disease,
  7. maremma,
  8. maremma sheepdog,
  9. marengo,
  10. marenzio

Origin of mare's-tail

First recorded in 1755–65

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


British Dictionary definitions for mare's-tail

mare's-tail

noun

a wisp of trailing cirrus cloud, often indicating high winds in the upper troposphere
an erect cosmopolitan pond plant, Hippuris vulgaris, with minute flowers and crowded whorls of narrow leaves: family Hippuridaceae
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012