- a purplish, edible red algae (Chondrus crispus) found on rocky shores of N Europe and North America; Irish moss: used in jellies, lotions, medicines, etc.
- any of several similar red algae (genus Gigartina)
Origin of carrageenafter Carragheen, Ireland
See Irish moss.
Origin of carrageenAfter Carragheen , a village of southeast Ireland
(countable and uncountable, plural carrageens)
- Irish moss