a Chinese soup made from the mucilaginous lining of the nests of the Asiatic swift.
Origin of bird's-nest soup
First recorded in 1870–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for bird's-nest soup
a rich spicy Chinese soup made from the outer part of the nests of SE Asian swifts of the genus Collocalia
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