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Irish moss

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

First recorded in 1835–45
Also called carrageen, carragheen.

carrageen

or car·ra·gheen

[kar-uh-geen]
noun
  1. Irish moss.
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Origin of carrageen

First recorded in 1825–35; named after Carrageen in SE Ireland
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for carragheen

Irish moss

noun
  1. another name for carrageen
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carrageen

carragheen or carageen

noun
  1. an edible red seaweed, Chondrus crispus, of North America and N EuropeAlso called: Irish moss
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Word Origin

C19: from Carragheen, near Waterford, Ireland, where it is plentiful
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012