Irish moss

noun

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

Irish moss

noun

1. another name for carrageen

Word History and Origins

Origin of Irish moss¹

First recorded in 1835–45

Example Sentences

There was none, but our gaze fell upon a bottle marked "Irish Moss."

From Project Gutenberg