Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

Polyborus

noun
Po·​lyb·​o·​rus | \ -rəs\

Definition of Polyborus

: a genus of long-winged hawks (family Falconidae) consisting of typical caracaras

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 Polyborus

New Latin, from Greek polyboros voracious, from poly- much (from polys much, many) + boros devouring, gluttonous, from bora food, meat

Keep scrolling for more

Learn More about Polyborus

Statistics for Polyborus

Look-up Popularity

Comments on Polyborus

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

Show Comments  Hide Comments 

WORD OF THE DAY

detritus

Listen to the pronounciation of detritus

miscellaneous remnants or debris

Get Word of the Day daily email!

Test Your Vocabulary

The Exceptions Quiz III

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Word Winder's CrossWinder

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

TAKE THE QUIZ
Love words? Need even more definitions?

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

Words at Play
Ask the Editors
Word Games