Dulse /(dŭls)/

Dulse

n.
  1. A seaweed of a reddish brown color, which is sometimes eaten, as in Scotland. The true dulse is Sarcophyllis edulis; the common is Rhodymenia. [Written also dillisk.] (Bot.)
    The crimson leaf of the dulse is seen To blush like a banner bathed in slaughter.