plural noun
Ten·​u·​i·​ros·​tres | \ -äˌstrēz\

Definition of Tenuirostres

in former classifications
: an unnatural group of mostly passerine birds (as hummingbirds, sunbirds, honey eaters, nuthatches) having slender bills

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!

History and Etymology for Tenuirostres

New Latin, from Latin tenuis thin + rostrum beak

Keep scrolling for more

Comments on Tenuirostres

What made you want to look up Tenuirostres? Please tell us where you read or heard it (including the quote, if possible).


to speak slightingly about or to degrade

Get Word of the Day daily email!

Test Your Vocabulary

Challenging Vocabulary Quiz Returns!

  • stylized drawing of woman pole vaulting across gap to get trophy
  • Which is a synonym of fuliginous?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

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