Definition of swiftlet
: any of various cave-dwelling swifts (genus Collocalia synonym Aerodramus) of Asia including one (C. fuciphaga) that produces the nest used in bird's nest soup
First Known Use of swiftlet
Learn More about swiftlet
Britannica.com: Encyclopedia article about swiftlet
Seen and Heard
What made you want to look up swiftlet? Please tell us where you read or heard it (including the quote, if possible).