spina externa

noun
spina ex·​ter·​na | \ -ˌekˈstərnə \
plural spinae externae\ -​rˌnē \

Definition of spina externa

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

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History and Etymology for spina externa

New Latin, external spine

Learn More About spina externa

Dictionary Entries Near spina externa

Spinacia

spina externa

spina interna

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Cite this Entry

“Spina externa.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spina%20externa. Accessed 20 Jan. 2022.

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