spina externa

noun spina ex·ter·na \-ˌekˈstərnə\

Definition of spina externa


spinae externae

  1. :  a median bony point projecting from the anterior and ventral margin of the sternum of a bird

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 spina externa

New Latin, external spine

Seen and Heard

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


feeling or affected by lethargy

Get Word of the Day daily email!