noun an aquatic plant of the genus hippuris (h. vulgaris), having narrow leaves in whorls.
2. mare's-tail ·noun a long streaky cloud, spreading out like a horse's tail, and believed to indicate rain; a cirrus cloud. ·see cloud.
noun an aquatic plant of the genus hippuris (h. vulgaris), having narrow leaves in whorls.
2. mare's-tail ·noun a long streaky cloud, spreading out like a horse's tail, and believed to indicate rain; a cirrus cloud. ·see cloud.
Webster English vocab. Английский словарь Webster. 2012