: a genus of titmice with very long tail feathers see long-tailed tit

Word History


borrowed from New Latin, borrowed from Greek aigíthallos, aigíthālos "titmouse," probably derivative of aígithos "small passerine bird, titmouse"

First Known Use

1886, in the meaning defined above

Time Traveler
The first known use of Aegithalos was in 1886

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.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Dictionary Entries Near Aegithalos

Cite this Entry

“Aegithalos.” Dictionary, Merriam-Webster, Accessed 19 Jul. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!