ETYM Cf. Gael. duileasg; duille leaf + uisge water. Related to Whisky.
Coarse edible red seaweed; SYN. Rhodymenia palmata.
Kind of red Scottish and Irish seaweed used as food.
Any of several edible red seaweeds, especially Rhodymenia palmata, found on middle and lower shores of the N Atlantic. They may have a single broad blade up to 30 cm/12 in long rising directly from the holdfast which attaches them to the sea floor, or be palmate or fan-shaped. The frond is tough and dark red, sometimes with additional small leaflets at the edge.