noun (plural ~s or mares' tails) Date: 15th century 1. a common aquatic plant ( Hippuris vulgaris of the family Hippuridaceae) with elongated shoots having dense whorls of narrow finely tapered leaves, horseweed 1, a cirrus cloud that has a long slender flowing appearance
MARE'S TAIL
Meaning of MARE'S TAIL in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012