sea wrack

Noun sea wrack has 2 senses

• sea wrack(n = noun.plant) eelgrass, grass wrack, zostera marina - submerged marine plant with very long narrow leaves found in abundance along North Atlantic coasts; Array
is a member of genus zostera, zostera
is a kind of aquatic plant, hydrophyte, hydrophytic plant, water plant

• sea wrack(n = noun.animal) wrack - growth of marine vegetation especially of the large forms such as rockweeds and kelp; Array
is a kind of seaweed