♦ Iridea dulce, one of the edible fuci. It is an article of trade in America and Holland, and is plentiful on the rocky coasts of Ireland and western England. It probably derived its name from being sweet and pleasant, not requiring cooking.
·noun A seaweed of a reddish brown color, which is sometimes eaten, as in Scotland. The true dulse i...
Webster's Dictionary of the English Language
·- A variety of edible seaweed (Laurencia pinnatifida) distinguished for its pungency. ...
♦ Halymenia edulis; a pungent sea-weed, which, as well as H. palmata, common dulse, is eaten in Scot...
The Sailor's Word-Book