What does "mareschal" mean?

Mareschal: A long streaky cloud, spreading out like a horse's tail, and believed to indicate rain; a cirrus cloud. See Cloud. Mackerel sky and mare's-tails Make tall ships carry low sails. Old Rhyme.

Additional senses

  1. 2.(Bot.) An aquatic plant of the genus Hippuris (H.vulgaris), having narrow leaves in whorls.

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