- any of several swifts of the genus Collocalia, of southeastern Asia, the East Indies, and Australia, certain species of which use saliva to construct nests, which are used in making bird's-nest soup.
Origin of swiftlet
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for swiftlet
One Swiftlet is world-famous on account of its saliva-built nest, which is the edible swallows' nest we used to read about.An Australian Bird Book
John Albert Leach
- any of various small swifts of the Asian genus Collocalia that often live in caves and use echolocation: the nests, which are made of hardened saliva, are used in oriental cookery to make birds' nest soup