sea wrack

from WordNet (r) 3.0 (2006)

sea wrack
    n 1: submerged marine plant with very long narrow leaves found
         in abundance along North Atlantic coasts [syn: {eelgrass},
         {grass wrack}, {sea wrack}, {Zostera marina}]
    2: growth of marine vegetation especially of the large forms
       such as rockweeds and kelp [syn: {sea wrack}, {wrack}]

from The Collaborative International Dictionary of English v.0.48

Sea wrack \Sea" wrack`\ (Bot.)
   See {Wrack}.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Zostera \Zos"te*ra\, n. [NL.] (Bot.)
   A genus of plants of the {Naiadaceae}, or Pondweed family.
   {Zostera marina} is commonly known as {sea wrack}, and
   {eelgrass}.
   [1913 Webster]

[email protected]