Meaning

3 senses
  1. Certain aquatic grass-like herbs:

    (uncountable, usually)Seawrack, especially eelgrass (Zostera marina)

  2. (uncountable, usually)Tasselweed, widgeonweed (Ruppia spp.), of fresh water

  3. Tasselweed, widgeonweed (Ruppia spp.), of fresh water

    (uncountable, usually)Especially tassel pondweed (Ruppia maritima)

Forms

plural: widgeon grasses
Singularwidgeon grass

uncountable

See also

neighbours in the dictionary
widgeon grass — meaning, examples, forms, synonyms | Krumeto