Definitions
1.NounCertain aquatic grass-like herbs:
seawrack, especially eelgrass (Zostera marina)
tasselweed, widgeonweed (Ruppia spp.), of fresh water
especially tassel pondweed (Ruppia maritima)
2.Nounseawrack, especially eelgrass (Zostera marina)
3.Nountasselweed, widgeonweed (Ruppia spp.), of fresh water
especially tassel pondweed (Ruppia maritima)
4.Nounespecially tassel pondweed (Ruppia maritima)