What is "alaria esculenta"

Badderlocks \Bad"der*locks\, n. [Perh. for Balderlocks, fr. Balder the Scandinavian deity.] (Bot.) A large black seaweed ( Alaria esculenta) sometimes eaten in Europe; -- also called murlins, honeyware, and henware.

Alaria esculenta is an edible seaweed, also known as dabberlocks or badderlocks, or winged kelp. It is a traditional food along the coasts of the far north Atlantic Ocean. It may be eaten fresh or cooked in Greenland, Iceland, Scotland and Ireland. It is the only one of twelve species of Alaria to occur in both Ireland and in the Great Britain.