canthus rostralis

canthus ros·​tra·​lis | \ -räˈstralə̇s, -ˈā-, -ˈä- \
plural canthi rostrales\ -​(ˌ)lēz \

Definition of canthus rostralis

: the more or less angular ridge from the anterior border of the eye to the nostril in reptiles and amphibians

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 canthus rostralis

New Latin, literally, rostral canthus

Keep scrolling for more

Learn More about canthus rostralis

Statistics for canthus rostralis

Cite this Entry

“Canthus rostralis.” Dictionary, Merriam-Webster, Accessed 23 Nov. 2020.

Comments on canthus rostralis

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


Test Your Vocabulary

Great Scrabble Words—A Quiz

  • scrabble tiles that read scrabble quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
Spell It

Can you spell these 10 commonly misspelled words?

Add Diction

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!