Irish moss

American  

noun

1. a purplish-brown, cartilaginous seaweed, Chondrus crispus, of the Atlantic coasts of Europe and North America.

---

Irish moss British  

noun

1. another name for carrageen

---

Etymology

Origin of Irish moss

First recorded in 1835–45

Example Sentences

If you aren't near the European coast, making classic, legitimate Irish moss pudding at home might be a bit of a challenge.

From Salon

For us, sea moss is Irish moss or Irish moss-bladderwrack mix.

From Los Angeles Times

Also known as "Irish moss," or more technically Chondrus crispus, it grows along the rocky parts of the Atlantic coasts of Europe and North America.

From Salon

I burned a lot of Irish moss around the house.

From New York Times

Shoppers, many of whom are celebrities or at least good-looking enough to be one, may be seen taking Irish moss as a blood purifier and considering gin’s effect on the skin.

From Los Angeles Times