a seaweed, Gracilaria lichenoides, of Ceylon and the East Indies: one of the algae from which agar is obtained.
Origin of Ceylon moss
First recorded in 1860–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for ceylon moss
a red East Indian seaweed, Gracilaria lichenoides, from which agar is made
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