Definition of Cypselus
taxonomic synonym of apus
Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Join MWU now and get access to America’s largest dictionary, with:
- 300,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of cypselus
New Latin, from Latin, a kind of swallow, from Greek kypselos sand martin, swift
Seen and Heard
What made you want to look up Cypselus? Please tell us where you read or heard it (including the quote, if possible).